Merge Android Pie into master

Bug: 112104996
Change-Id: Ic81f0a006d7f95c43cd0245405daacfc11cd4bc9
tree: e4b5ecb61cc0f6750663753827c09995c3ce099b
  1. android/
  2. androidx/
  3. com/
  4. Android.mk
  5. NOTICE.txt
  6. source.properties