Add generated screen to show open source licenses in Gplay variant

[bmarty]

Content

Add a entry point in the About screen to the Activity generated by com.google.android.gms.oss-licenses-plugin to render open source licenses. It was already done the same way on Element Android.

Motivation and context

Be compliant with open source licenses requirements.

Screenshots / GIFs

Tests

• Install the app and navigate to Settings / About / Open source licenses

Tested devices

• Physical
• Emulator
• OS version(s):

Checklist

• Changes have been tested on an Android device or Android emulator with API 23
• UI change has been tested on both light and dark themes
• Accessibility has been taken into account. See https://github.com/element-hq/element-x-android/blob/develop/CONTRIBUTING.md#accessibility
• Pull request is based on the develop branch
• Pull request title will be used in the release note, it clearly define what will change for the user
• Pull request includes screenshots or videos if containing UI changes
• Pull request includes a sign off
• You've made a self review of your PR

[github-actions]

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[jmartinesp]

LGTM, I'm building a release version locally to check how it looks like!

[jmartinesp]

Quality Gate failed

Failed conditions 2 Security Hotspots

See analysis details on SonarCloud

Same false positives in every single PR that touches the manifest...

[jmartinesp]

It seems like Konsist failed.

[sonarcloud]

Quality Gate failed

Failed conditions
2 Security Hotspots

See analysis details on SonarCloud

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 6 lines in your changes missing coverage. Please review.

Project coverage is 76.14%. Comparing base (f5e866e) to head (ad3c4e1).
Report is 10 commits behind head on develop.

Files	Patch %	Lines
...droid/x/licenses/OssOpenSourcesLicensesProvider.kt	0.00%	5 Missing ⚠️
...droid/features/preferences/impl/about/AboutView.kt	75.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3207      +/-   ##
===========================================
- Coverage    76.14%   76.14%   -0.01%     
===========================================
  Files         1644     1645       +1     
  Lines        38768    38783      +15     
  Branches      7501     7503       +2     
===========================================
+ Hits         29521    29531      +10     
- Misses        5350     5355       +5     
  Partials      3897     3897              

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