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

Bug: 166295507
Merged-In: I252b60e23db8e01fd2646b472834f415ac5da336
Change-Id: I798a1915e669f8ef63b1cd29d4aa408f9ae5bac3
tree: 14c52d280ad337a3554e6fa0de4ae6327c59dd11
  1. proto/
  2. res/
  3. src/
  4. Android.bp
  5. AndroidManifest.xml
  6. OWNERS