DO NOT MERGE - Merge Android R QPR1

Bug: 172690556
Merged-In: If124fd1857f970d2796f7ca8c62ddcf0d88b9814
Change-Id: I31785aed75b02b8ddb9a7c72e63580169ec4f21c
tree: f555262e36c77e242d2473ef32c8499769fa4d9e
  1. build/
  2. docs/
  3. emu_test/
  4. libraries/
  5. scripts/
  6. tests/
  7. utils/
  8. PREUPLOAD.cfg