Remove obsolete build cache.

[vkryachko]

It has not been running on Prow for along time and is not going to be
available on GHA.

[github-actions]

buildSrc Test Results

18 tests   18 ✔️  2m 28s ⏱️
  4 suites    0 💤
  4 files      0 ❌

Results for commit 563d9aa.

[github-actions]

Unit Test Results

   391 files  ±0     391 suites  ±0   16m 37s ⏱️ -29s
4 707 tests ±0  4 682 ✔️  - 1  22 💤 ±0  3 ❌ +1 
4 723 runs  ±0  4 698 ✔️  - 1  22 💤 ±0  3 ❌ +1 

For more details on these failures, see this check.

Results for commit 563d9aa. ± Comparison against base commit ba6f410.

[google-oss-bot]

Size Report ¹

Affected Products

• firebase-firestore

  Type	Base (ba6f410)	Merge (e21b07d)	Diff
  aar	1.26 MB	1.26 MB	-3 B (-0.0%)

Test Logs

• Base (ba6f410): https://github.com/firebase/firebase-android-sdk/actions/runs/2862427743
• Merge (e21b07d): https://github.com/firebase/firebase-android-sdk/actions/runs/2868995759

Notes

• Commit (e21b07d) is created by Prow via merging PR base commit (ba6f410) and head commit (563859c).

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

[google-oss-bot]

Coverage Report ¹

Affected Products

• firebase-database

  Overall coverage changed from 50.15% (ba6f410) to 50.19% (6486942) by +0.04%.

  Filename	Base (ba6f410)	Merge (6486942)	Diff
  ChildChangeAccumulator.java	83.33%	96.67%	+13.33%

• firebase-firestore

  Overall coverage changed from 45.92% (ba6f410) to 46.01% (6486942) by +0.09%.

  Filename	Base (ba6f410)	Merge (6486942)	Diff
  AsyncQueue.java	78.11%	78.61%	+0.50%
  FirestoreChannel.java	16.38%	18.10%	+1.72%
  FirestoreClient.java	33.09%	38.24%	+5.15%
  GrpcCallProvider.java	62.35%	69.41%	+7.06%
  IndexBackfiller.java	89.06%	93.75%	+4.69%
  LruGarbageCollector.java	90.65%	93.46%	+2.80%

Test Logs

• Base (ba6f410): https://github.com/firebase/firebase-android-sdk/actions/runs/2862427743
• Merge (6486942): https://github.com/firebase/firebase-android-sdk/actions/runs/2869021267

Notes

• Commit (6486942) is created by Prow via merging PR base commit (ba6f410) and head commit (563d9aa).
• Run gradle <product>:checkCoverage to produce HTML coverage reports locally. After gradle commands finished, report files can be found under <product-build-dir>/reports/jacoco/.

1. https://storage.googleapis.com/firebase-sdk-metric-reports/5ffOVWJ4oc.html

[google-oss-bot]

@vkryachko: The following tests failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
check-changed	563d9aa	link	/test check-changed
check-coverage-changed	563d9aa	link	/test check-coverage-changed

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