[WIP] Migrate FirebaseLibraryExtension to Kotlin

[daymxn]

WIP PR to see CI results

[github-actions]

Release note changes

No release note changes were detected. If you made changes that should be
present in the next release, ensure you've added an entry in the appropriate
CHANGELOG.md file(s).

[github-actions]

📝 PRs merging into main branch

Our main branch should always be in a releasable state. If you are working on a larger change, or if you don't want this change to see the light of the day just yet, consider using a feature branch first, and only merge into the main branch when the code complete and ready to be released.

[github-actions]

📝 PRs merging into main branch

Our main branch should always be in a releasable state. If you are working on a larger change, or if you don't want this change to see the light of the day just yet, consider using a feature branch first, and only merge into the main branch when the code complete and ready to be released.

[google-oss-bot]

Coverage Report ¹

Affected Products

• firebase-database

  Overall coverage changed from 50.22% (ecea64b) to 50.17% (2be606a) by -0.05%.

  Filename	Base (ecea64b)	Merge (2be606a)	Diff
  ChildChangeAccumulator.java	96.67%	83.33%	-13.33%
  QueryParams.java	90.36%	89.76%	-0.60%

• firebase-firestore

  Overall coverage changed from 45.89% (ecea64b) to 45.89% (2be606a) by +0.00%.

  Filename	Base (ecea64b)	Merge (2be606a)	Diff
  SetMutation.java	94.44%	97.22%	+2.78%

• firebase-messaging

  Overall coverage changed from 84.26% (ecea64b) to 84.18% (2be606a) by -0.07%.

  Filename	Base (ecea64b)	Merge (2be606a)	Diff
  RequestDeduplicator.java	90.00%	80.00%	-10.00%

• ktx

  Overall coverage changed from ? (ecea64b) to 100.00% (2be606a) by ?.

  Filename	Base (ecea64b)	Merge (2be606a)	Diff
  Logging.kt	?	100.00%	?

Test Logs

• Base (ecea64b): https://github.com/firebase/firebase-android-sdk/actions/runs/9865148971
• Merge (2be606a): https://github.com/firebase/firebase-android-sdk/actions/runs/9880651267

1. https://storage.googleapis.com/firebase-sdk-metric-reports/Yz4tzqrM0J.html

[github-actions]

Unit Test Results

0 files   -      950  0 suites   - 950   0s ⏱️ - 34m 57s
0 tests  -   5 211  0 ✔️  -   5 190  0 💤  - 21  0 ❌ ±0 
0 runs   - 10 507  0 ✔️  - 10 465  0 💤  - 42  0 ❌ ±0 

Results for commit 6e298a3. ± Comparison against base commit ecea64b.

[google-oss-bot]

Size Report ¹

Affected Products

• firebase-components

  Type	Base (ecea64b)	Merge (2be606a)	Diff
  aar	45.7 kB	4.17 kB	-41.6 kB (-90.9%)

• firebase-config

  Type	Base (ecea64b)	Merge (2be606a)	Diff
  aar	108 kB	3.26 kB	-105 kB (-97.0%)

• firebase-installations

  Type	Base (ecea64b)	Merge (2be606a)	Diff
  aar	57.7 kB	3.20 kB	-54.5 kB (-94.5%)

• firebase-messaging

  Type	Base (ecea64b)	Merge (2be606a)	Diff
  aar	148 kB	3.54 kB	-145 kB (-97.6%)

• ktx

  Type	Base (ecea64b)	Merge (2be606a)	Diff
  aar	?	3.52 kB	? (?)

Test Logs

• Base (ecea64b): https://github.com/firebase/firebase-android-sdk/actions/runs/9865148971
• Merge (2be606a): https://github.com/firebase/firebase-android-sdk/actions/runs/9880651267

1. https://storage.googleapis.com/firebase-sdk-metric-reports/Mo1e3KeQdK.html

[google-oss-bot]

Startup Time Report ¹

The report is too large (122,608 chars) to be displayed on GitHub. Please check this report on GCS.

1. https://storage.googleapis.com/firebase-sdk-metric-reports/arJ4POm5MZ/index.html