Merge remote-tracking branch 'goog/androidx-platform-dev' into sc-dev
* goog/androidx-platform-dev:
Pull upstream changes.
Descriptions:
==========
Create a portable file backed proto log
Test: PortableFileBackedProtoLogTest
Test: PortableFileBackedProtoLogBenchmark
==========
Fix bug that was causing us to not update the last_added_document_id of
the index
Test: IndexProcessorTest
Test: IndexTest
Test: IcingSearchEngineTest
==========
Remove dependency on icu dat file.
Test: ReverseJniLanguageSegmenterTest
==========
Fix usage score handling for nonexistent documents.
Test: ScorerTest
Test: DocumentStoreTest
Test: AppSearchSessionCtsTest#testReportUsage_invalidNamespace
==========
Fix bit-util to actually set fields.
Test: BitUtilTest
==========
Bug: 185804696
Bug: 189136429
Bug: 187879464
Change-Id: I54eaaf7e8e386d6696e08c047fc3aa44062a5f29