Fix cursor expanding result set bug.

[wu-hui]

No description provided.

[google-oss-bot]

Coverage Report ¹

Affected Products

• firebase-firestore

  Overall coverage changed from 46.11% (51cc21f) to 46.09% (ba9f3ce) by -0.02%.

  Filename	Base (51cc21f)	Merge (ba9f3ce)	Diff
  SetMutation.java	97.22%	94.44%	-2.78%
  SQLiteIndexManager.java	99.49%	99.48%	-0.01%
  Target.java	95.41%	95.33%	-0.09%
  Values.java	95.22%	95.65%	+0.43%

Test Logs

• Base (51cc21f): https://android-ci.firebaseopensource.com/view/gcs/android-ci/logs/postsubmit-check-coverage/1517177564609646595
• Merge (ba9f3ce): https://android-ci.firebaseopensource.com/view/gcs/android-ci/pr-logs/pull/firebase_firebase-android-sdk/3673/check-coverage-changed/1517305281581682691

Notes

• Commit (ba9f3ce) is created by Prow via merging PR base commit (51cc21f) and head commit (427ea4e).
• 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/6bwL6vktl3.html

[google-oss-bot]

Size Report ¹

Affected Products

• firebase-firestore

  Type	Base (51cc21f)	Merge (ba9f3ce)	Diff
  aar	1.25 MB	1.25 MB	-58 B (-0.0%)
  apk (release)	3.38 MB	3.38 MB	-28 B (-0.0%)

Test Logs

• Base (51cc21f): https://android-ci.firebaseopensource.com/view/gcs/android-ci/logs/postsubmit-binary-size/1517177564605452292
• Merge (ba9f3ce): https://android-ci.firebaseopensource.com/view/gcs/android-ci/pr-logs/pull/firebase_firebase-android-sdk/3673/binary-size/1517305281581682689

Notes

• Commit (ba9f3ce) is created by Prow via merging PR base commit (51cc21f) and head commit (427ea4e).

1. https://storage.googleapis.com/firebase-sdk-metric-reports/Ny9iPghFDb.html