Merge Android Pie into master

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