chore: Add convention plugins for Android Libraries

[mattcreaser]

• PR title and description conform to Pull Request guidelines.

Issue #, if available:

Description of changes:
This PR moves build logic into convention plugins located in a build-logic subproject. The goal is to make our build system easier to maintain over time.

Not all functionality has been moved. Specifically remaining:

• checkstyle
• maven publishing

How did you test these changes?

• Builds execute as normal

Documentation update required?

• No
• Yes (Please include a PR link for the documentation update)

General Checklist

• Added Unit Tests
• Added Integration Tests
• Security oriented best practices and standards are followed (e.g. using input sanitization, principle of least privilege, etc)
• Ensure commit message has the appropriate scope (e.g fix(storage): message, feat(auth): message, chore(all): message)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 54.22%. Comparing base (37a62ed) to head (fdaefef).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3082      +/-   ##
==========================================
- Coverage   54.24%   54.22%   -0.02%     
==========================================
  Files        1038     1038              
  Lines       31991    31991              
  Branches     4702     4702              
==========================================
- Hits        17354    17348       -6     
- Misses      12789    12796       +7     
+ Partials     1848     1847       -1     

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