Add MetricsUpdater (moved from jicofo).

[bgrozev]

No description provided.

[codecov]

Codecov Report

Attention: 36 lines in your changes are missing coverage. Please review.

Comparison is base (a67207b) 24.09% compared to head (1b0a7b6) 23.37%.

❗ Current head 1b0a7b6 differs from pull request most recent head a9f2668. Consider uploading reports for the commit a9f2668 to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #195      +/-   ##
============================================
- Coverage     24.09%   23.37%   -0.73%     
  Complexity      130      130              
============================================
  Files            33       34       +1     
  Lines          1162     1198      +36     
  Branches        105      107       +2     
============================================
  Hits            280      280              
- Misses          864      900      +36     
  Partials         18       18              

Files	Coverage Δ
...tlin/org/jitsi/metrics/UpdatingMetricsContainer.kt	0.00% <0.00%> (ø)

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