Merge Android R

Bug: 168057903
Merged-In: I5f7f3e51d58b8447db8001bba59af73cc9a6bbf1
Change-Id: I7f10efc7a632856c38f8dae7b83a86a5db40170c
tree: e1ad9714a372ff8e7c82fa514a436c79bbf3dfc2
  1. files/
  2. google/
  3. soong/
  4. wfa_certs/
  5. Android.bp
  6. OWNERS
  7. README.cacerts