RTDB: Add startAfter + endBefore protocol support

[jmwski]

See firebase/firebase-js-sdk#6706.

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Coverage Report ¹

Affected Products

No changes between base commit (94ae2ac) and merge commit (a2d74bd).

Test Logs

• Merge (a2d74bd): https://github.com/firebase/firebase-android-sdk/actions/runs/3527178355

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

[github-actions]

Unit Test Results

13 tests   - 461   13 ✔️  - 461   10s ⏱️ - 3m 44s
  4 suites  -   23     0 💤 ±    0 
  4 files    -   23     0 ❌ ±    0 

Results for commit f0cfa97. ± Comparison against base commit 94ae2ac.

This pull request removes 474 and adds 13 tests. Note that renamed tests count towards both.

com.google.firebase.iid.FirebaseInstanceIdWithFcmReceiverRoboTest ‑ testBindsService_oAndTargetingO
com.google.firebase.iid.FirebaseInstanceIdWithFcmReceiverRoboTest ‑ testNoWrappedIntent
com.google.firebase.iid.FirebaseInstanceIdWithFcmReceiverRoboTest ‑ testNullIntent
com.google.firebase.iid.FirebaseInstanceIdWithFcmReceiverRoboTest ‑ testStartsService_OTargetingO_highPriority
com.google.firebase.iid.FirebaseInstanceIdWithFcmReceiverRoboTest ‑ testStartsService_fallsBackToBindService
com.google.firebase.iid.FirebaseInstanceIdWithFcmReceiverRoboTest ‑ testStartsService_notOButTargetingO
com.google.firebase.iid.FirebaseInstanceIdWithFcmReceiverRoboTest ‑ testStartsService_notOButTargetingO[19]
com.google.firebase.iid.FirebaseInstanceIdWithFcmReceiverRoboTest ‑ testStartsService_notOButTargetingO[21]
com.google.firebase.iid.FirebaseInstanceIdWithFcmReceiverRoboTest ‑ testStartsService_notOButTargetingO[22]
com.google.firebase.iid.FirebaseInstanceIdWithFcmReceiverRoboTest ‑ testStartsService_notOButTargetingO[23]
…

com.google.firebase.database.ktx.DataSnapshotTests ‑ reified getValue works with basic types
com.google.firebase.database.ktx.DataSnapshotTests ‑ reified getValue works with custom types
com.google.firebase.database.ktx.DataSnapshotTests ‑ reified getValue works with lists types
com.google.firebase.database.ktx.DataSnapshotTests ‑ reified getValue works with maps
com.google.firebase.database.ktx.DatabaseTests ‑ Firebase#database should delegate to FirebaseDatabase#getInstance(FirebaseApp, url)
com.google.firebase.database.ktx.DatabaseTests ‑ Firebase#database should delegate to FirebaseDatabase#getInstance(url)
com.google.firebase.database.ktx.DatabaseTests ‑ FirebaseApp#database should delegate to FirebaseDatabase#getInstance(FirebaseApp)
com.google.firebase.database.ktx.DatabaseTests ‑ database should delegate to FirebaseDatabase#getInstance()
com.google.firebase.database.ktx.LibraryVersionTest ‑ library version should be registered with runtime
com.google.firebase.database.ktx.MutableDataTests ‑ reified getValue works with basic types
…

♻️ This comment has been updated with latest results.

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Size Report ¹

Affected Products

• firebase-database

  Type	Base (94ae2ac)	Merge (a2d74bd)	Diff
  aar	488 kB	488 kB	+726 B (+0.1%)
  apk (release)	1.16 MB	1.16 MB	+436 B (+0.0%)

Test Logs

• Base (94ae2ac): https://github.com/firebase/firebase-android-sdk/actions/runs/3489097191
• Merge (a2d74bd): https://github.com/firebase/firebase-android-sdk/actions/runs/3527178355

1. https://storage.googleapis.com/firebase-sdk-metric-reports/0baqEGHi2w.html