DO NOT MERGE - Merge Android 10 into master

Bug: 139893257
Change-Id: I794543699084d787a259098cbe8d4a5c9e204857
tree: 4c8c511259290e79f03946e1195e016492b1a050
  1. includes/
  2. src/
  3. test/
  4. Android.bp
  5. libpac.map.txt
  6. LICENSE
  7. OWNERS
  8. README