Add SDK privacy manifest file (close #811)

[matus-tomlein]

Issue #811

This PR adds the privacy manifest for the SDK according to this specification.

It reports the following collected data types:

Data type	Description	Purpose
Precise location	Information that describes the location of a user or device with the same or greater resolution as a latitude and longitude with three or more decimal places.	Analytics
User ID	Such as screen name, handle, account ID, assigned user ID, customer number, or other user- or account-level ID that can be used to identify a particular user or account.	Analytics
Device ID	Such as the device’s advertising identifier, or other device-level ID.	Analytics
Product interaction	Such as app launches, taps, clicks, scrolling information, music listening data, video views, saved place in a game, video, or song, or other information about how the user interacts with the app.	Analytics
Crash data	Such as crash logs.	App functionality
Other diagnostic data	Any other data collected for the purposes of measuring technical diagnostics related to the app.	App functionality

It also reports the following accessed API type (see the full spec here):

• User defaults APIs with reason CA92.1 that user defaults are only used for information that is only accessible to the app itself.

[mscwilson]

LGTM