…it hook (#5525)

<!-- READ ME FIRST: Please fill in the explanation section below and
check off every point from the Essential Checklist! -->
## Explanation
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- Explain what your PR does. If this PR fixes an existing bug, please
include
- "Fixes #bugnum:" in the explanation so that GitHub can auto-close the
issue
  - when this PR is merged.
  -->

Fixes #1730 

### The PR includes
- A pre-commit hook that identifies binary files in both 
  - staged changes (for local checks before committing)
  - committed files (for CI checks after pushing to a PR)
- If binary files are found, the commit/check is blocked, and the
offending files are listed for removal.
- The pre-commit hook is integrated via a setup script.
- The same script is utilized for the CI pipeline.
- The 'Pass' statement is only included in the CI checks to keep the
local commit process cleaner.

### Local block as pre-commit hook when a binary file is detected

![image](https://github.com/user-attachments/assets/b953b2d7-55ec-46e6-a0b9-00967200509c)

### CI re-check if the PR includes a binary - [ Fail - [stack
trace](https://github.com/Rd4dev/oppia-android/actions/runs/10715972847/job/29712474511#step:7:15)
] [ Pass - [stack
trace](https://github.com/Rd4dev/oppia-android/actions/runs/10716040065/job/29712695824?pr=11#step:7:10)
]

![image](https://github.com/user-attachments/assets/64352473-86cb-49e0-b888-d3247286e9e5)

## Essential Checklist
<!-- Please tick the relevant boxes by putting an "x" in them. -->
- [x] The PR title and explanation each start with "Fix #bugnum: " (If
this PR fixes part of an issue, prefix the title with "Fix part of
#bugnum: ...".)
- [x] Any changes to
[scripts/assets](https://github.com/oppia/oppia-android/tree/develop/scripts/assets)
files have their rationale included in the PR explanation.
- [x] The PR follows the [style
guide](https://github.com/oppia/oppia-android/wiki/Coding-style-guide).
- [x] The PR does not contain any unnecessary code changes from Android
Studio
([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#undo-unnecessary-changes)).
- [x] The PR is made from a branch that's **not** called "develop" and
is up-to-date with "develop".
- [x] The PR is **assigned** to the appropriate reviewers
([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#clarification-regarding-assignees-and-reviewers-section)).

<!-- READ ME FIRST: Please fill in the explanation section below and
check off every point from the Essential Checklist! -->
## Explanation

Fixes #5357

This PR includes the changes previously included in #5361, with an
additional fix for missing closing html tags described in #5403:

```
faq_answer_app_language: Missing </strong> tag after the email address.
faq_answer_bug_reporting: Missing closing </ol> tag.
faq_answer_exploration_player: Missing closing </ul> tag.
faq_answer_update_app: Missing closing </ol> tag and closing </p> tag.
faq_answer_update_os: Missing closing </ol> tag and closing </p> tag.
```

This PR removes all CDATA declarations in the translatable strings.xml
file and instead escapes all necessary characters: < and > (& didn't
need to be escaped since no strings use that character at the moment).
This is needed because Translatewiki doesn't seem to extract the HTML
within the CDATA declaration correctly, so it may not be translated
(some existing strings were never translated, and per
#5274 the latest FAQ changes
aren't being processed correctly (leading to empty translation strings
being submitted).

This PR also introduces a regex check + test to ensure that CDATA isn't
used anymore in strings.

## Essential Checklist
<!-- Please tick the relevant boxes by putting an "x" in them. -->
- [x] The PR title and explanation each start with "Fix #bugnum: " (If
this PR fixes part of an issue, prefix the title with "Fix part of
#bugnum: ...".)
- [x] Any changes to
[scripts/assets](https://github.com/oppia/oppia-android/tree/develop/scripts/assets)
files have their rationale included in the PR explanation.
- [x] The PR follows the [style
guide](https://github.com/oppia/oppia-android/wiki/Coding-style-guide).
- [x] The PR does not contain any unnecessary code changes from Android
Studio
([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#undo-unnecessary-changes)).
- [x] The PR is made from a branch that's **not** called "develop" and
is up-to-date with "develop".
- [x] The PR is **assigned** to the appropriate reviewers
([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#clarification-regarding-assignees-and-reviewers-section)).

## For UI-specific PRs only
<!-- Delete these section if this PR does not include UI-related
changes. -->
If your PR includes UI-related changes, then:
- Add screenshots for portrait/landscape for both a tablet & phone of
the before & after UI changes
- For the screenshots above, include both English and pseudo-localized
(RTL) screenshots (see [RTL
guide](https://github.com/oppia/oppia-android/wiki/RTL-Guidelines))
- Add a video showing the full UX flow with a screen reader enabled (see
[accessibility
guide](https://github.com/oppia/oppia-android/wiki/Accessibility-A11y-Guide))
- For PRs introducing new UI elements or color changes, both light and
dark mode screenshots must be included
- Add a screenshot demonstrating that you ran affected Espresso tests
locally & that they're passing

…R Comment Thread (#5532)

<!-- READ ME FIRST: Please fill in the explanation section below and
check off every point from the Essential Checklist! -->
## Explanation
<!--
- Explain what your PR does. If this PR fixes an existing bug, please
include
- "Fixes #bugnum:" in the explanation so that GitHub can auto-close the
issue
  - when this PR is merged.
  -->
Fixes part of #5508 

### This PR includes

Steps to locate the previous `stats.yml` workflow run, download its
build artifact, and compare it with the current build log. If changes
are detected, a comment will be uploaded to help minimize comment thread
overload.

**The implementation:**
- Download the previous build log artifact (if available).
- Run the script.
- Compare the current generated build log with the previous build log
artifact:
  - if no differences are found -> skip commenting.
  - if differences are found -> comment the current generated build log
- if no previous artifact is found -> comment the current generated
build log
    - This occurs in 2 instances:
      - 1. It's the first run of the PR.
- 2. An error occurred during the previous stat check (since the
previous build is from the second-to-last run ID).
- Upload the current build log as an artifact (for the next stat run).
- Comment/skip the stat report based on the comparison result.

#

### Tested with a cloned PR
_(with stats.yml implementation on develop)_

Tested PR:
Rd4dev/Oppia-Android-Fork-from-Fork#40

Reference for proof of implementation:

- [x] should comment on initial run |
[comment](Rd4dev/Oppia-Android-Fork-from-Fork#40 (comment))
| [stack
trace](https://github.com/Rd4dev/Oppia-Android-Fork-from-Fork/actions/runs/10762876260/job/29843752198#step:19:26)
- [x] shouldn't comment when no change |
[reference1](Rd4dev/Oppia-Android-Fork-from-Fork#40 (comment))
|
[reference2](Rd4dev/Oppia-Android-Fork-from-Fork#40 (comment))
- [x] should comment on change |
[comment](Rd4dev/Oppia-Android-Fork-from-Fork#40 (comment))
|
[reference](Rd4dev/Oppia-Android-Fork-from-Fork#40 (comment))
- [x] comment on previous build fail (replicated!) |
[comment](Rd4dev/Oppia-Android-Fork-from-Fork#40 (comment))
|
[reference](Rd4dev/Oppia-Android-Fork-from-Fork#40 (comment))

## Essential Checklist
<!-- Please tick the relevant boxes by putting an "x" in them. -->
- [x] The PR title and explanation each start with "Fix #bugnum: " (If
this PR fixes part of an issue, prefix the title with "Fix part of
#bugnum: ...".)
- [x] Any changes to
[scripts/assets](https://github.com/oppia/oppia-android/tree/develop/scripts/assets)
files have their rationale included in the PR explanation.
- [x] The PR follows the [style
guide](https://github.com/oppia/oppia-android/wiki/Coding-style-guide).
- [x] The PR does not contain any unnecessary code changes from Android
Studio
([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#undo-unnecessary-changes)).
- [x] The PR is made from a branch that's **not** called "develop" and
is up-to-date with "develop".
- [x] The PR is **assigned** to the appropriate reviewers
([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#clarification-regarding-assignees-and-reviewers-section)).

---------

Co-authored-by: Ben Henning <[email protected]>

<!-- READ ME FIRST: Please fill in the explanation section below and
check off every point from the Essential Checklist! -->
## Explanation
Fixes #5485
Added test for 10 fragments arguments and saveInstanceState.

## Essential Checklist
<!-- Please tick the relevant boxes by putting an "x" in them. -->
- [x] The PR title and explanation each start with "Fix #bugnum: " (If
this PR fixes part of an issue, prefix the title with "Fix part of
#bugnum: ...".)
- [ ] Any changes to
[scripts/assets](https://github.com/oppia/oppia-android/tree/develop/scripts/assets)
files have their rationale included in the PR explanation.
- [x] The PR follows the [style
guide](https://github.com/oppia/oppia-android/wiki/Coding-style-guide).
- [x] The PR does not contain any unnecessary code changes from Android
Studio
([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#undo-unnecessary-changes)).
- [x] The PR is made from a branch that's **not** called "develop" and
is up-to-date with "develop".
- [x] The PR is **assigned** to the appropriate reviewers
([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#clarification-regarding-assignees-and-reviewers-section)).

## For UI-specific PRs only
<!-- Delete these section if this PR does not include UI-related
changes. -->
If your PR includes UI-related changes, then:
- Add screenshots for portrait/landscape for both a tablet & phone of
the before & after UI changes
- For the screenshots above, include both English and pseudo-localized
(RTL) screenshots (see [RTL
guide](https://github.com/oppia/oppia-android/wiki/RTL-Guidelines))
- Add a video showing the full UX flow with a screen reader enabled (see
[accessibility
guide](https://github.com/oppia/oppia-android/wiki/Accessibility-A11y-Guide))
- For PRs introducing new UI elements or color changes, both light and
dark mode screenshots must be included
- Add a screenshot demonstrating that you ran affected Espresso tests
locally & that they're passing

---------

Co-authored-by: Mr. 17 <[email protected]>

<!-- READ ME FIRST: Please fill in the explanation section below and
check off every point from the Essential Checklist! -->
## Explanation
<!--
- Explain what your PR does. If this PR fixes an existing bug, please
include
- "Fixes #bugnum:" in the explanation so that GitHub can auto-close the
issue
  - when this PR is merged.
  -->
  
 Fixes #5344

This PR surfaces the `getClassrooms` and `getClassroomById` functions
from the `ClassroomController`, adds tests to ensure their correctness,
and refactors the `TopicListController` to replace temporary functions
with these new implementations.

## Essential Checklist
<!-- Please tick the relevant boxes by putting an "x" in them. -->
- [x] The PR title and explanation each start with "Fix #bugnum: " (If
this PR fixes part of an issue, prefix the title with "Fix part of
#bugnum: ...".)
- [x] Any changes to
[scripts/assets](https://github.com/oppia/oppia-android/tree/develop/scripts/assets)
files have their rationale included in the PR explanation.
- [x] The PR follows the [style
guide](https://github.com/oppia/oppia-android/wiki/Coding-style-guide).
- [x] The PR does not contain any unnecessary code changes from Android
Studio
([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#undo-unnecessary-changes)).
- [x] The PR is made from a branch that's **not** called "develop" and
is up-to-date with "develop".
- [x] The PR is **assigned** to the appropriate reviewers
([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#clarification-regarding-assignees-and-reviewers-section)).

## For UI-specific PRs only
<!-- Delete these section if this PR does not include UI-related
changes. -->
If your PR includes UI-related changes, then:
- Add screenshots for portrait/landscape for both a tablet & phone of
the before & after UI changes
- For the screenshots above, include both English and pseudo-localized
(RTL) screenshots (see [RTL
guide](https://github.com/oppia/oppia-android/wiki/RTL-Guidelines))
- Add a video showing the full UX flow with a screen reader enabled (see
[accessibility
guide](https://github.com/oppia/oppia-android/wiki/Accessibility-A11y-Guide))
- For PRs introducing new UI elements or color changes, both light and
dark mode screenshots must be included
- Add a screenshot demonstrating that you ran affected Espresso tests
locally & that they're passing