DO NOT MERGE - Merge Android 10 into master

Bug: 139893257
Change-Id: I33a774efca2e5b3fe6d25f1edec36f0794e4be79
tree: 0832b1592aa8200e0d8b30639bfea5813030a20d
  1. android/
  2. androidx/
  3. com/
  4. NOTICE.txt
  5. source.properties