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

Bug: 166295507
Merged-In: I6de4610b93704406b4ea7ad1c10a5c094e2b9a74
Change-Id: If047a34e34220942c2bb174f7692b3a5a6cd50f7
tree: 4f20b5e8e58c3c08989e32d02060f54b2084a062
  1. res/
  2. src/
  3. tests/
  4. Android.bp
  5. AndroidManifest.xml