Realtime RC - Check HTTP status before listening and retrying

[qdpham13]

• Check http response status code before retrying. Http status codes being used to retry are: Ok 200 Client Timeout 408 Bad Gateway 502 Unavailable 503 Gateway timeout 504 Similar to what Fetch uses to throttle requests: firebase-android-sdk/firebase-config/src/main/java/com/google/firebase/remoteconfig/internal/ConfigFetchHandler.java

• Close error stream

[google-oss-bot]

Coverage Report ¹

Affected Products

• firebase-config

  Overall coverage changed from 77.45% (5bba4bc) to 80.00% (504b9db) by +2.55%.

  Filename	Base (5bba4bc)	Merge (504b9db)	Diff
  ConfigAutoFetch.java	89.13%	88.64%	-0.49%
  ConfigRealtimeHttpClient.java	0.00%	31.58%	+31.58%

Test Logs

• Base (5bba4bc): https://github.com/firebase/firebase-android-sdk/actions/runs/3093422566
• Merge (504b9db): https://github.com/firebase/firebase-android-sdk/actions/runs/3101374365

1. https://storage.googleapis.com/firebase-sdk-metric-reports/X78l47HwLf.html

[github-actions[bot]]

Unit Test Results

1 226 tests  +4   1 226 :heavy_check_mark: +4   2m 11s :stopwatch: -28s      62 suites ±0          0 :zzz: ±0       62 files   ±0          0 :x: ±0 

Results for commit 0c96b009. ± Comparison against base commit 5bba4bcd.

:recycle: This comment has been updated with latest results.

[google-oss-bot]

Size Report ¹

Affected Products

• firebase-config

  Type	Base (5bba4bc)	Merge (504b9db)	Diff
  aar	83.1 kB	83.4 kB	+262 B (+0.3%)
  apk (aggressive)	119 kB	119 kB	+124 B (+0.1%)
  apk (release)	743 kB	743 kB	+20 B (+0.0%)

Test Logs

• Base (5bba4bc): https://github.com/firebase/firebase-android-sdk/actions/runs/3093422566
• Merge (504b9db): https://github.com/firebase/firebase-android-sdk/actions/runs/3101374365

1. https://storage.googleapis.com/firebase-sdk-metric-reports/AWu8SraH3T.html