DO NOT MERGE - Merge Android 10 into master

Bug: 139893257
Change-Id: I29b3e3131804fcbc215e0adcbc5dc9cc0a77d220
tree: 83471e5f6424f9a88c0609c8ca62445ce7ee5f0e
  1. include/
  2. src/
  3. Android.mk
  4. gen-buildcfg.sh
  5. OWNERS
  6. vnd_buildcfg.mk