Merge Android R (rvc-dev-plus-aosp-without-vendor@6692709)

Bug: 166295507
Merged-In: I0270484ab34bb53a0d85951b0621e0c8b552b8be
Change-Id: I8a6a13dc1fdd09f3851cbdee0bbb4165247b3735
tree: 6b63a0c462516c8c7ad109d090ea5c5197101ccc
  1. res/
  2. src/
  3. Android.bp
  4. AndroidManifest.xml
  5. CleanSpec.mk
  6. OWNERS