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

Bug: 166295507
Merged-In: Ib13ee2ca27aa0279b0a2da0206eebcc5fd51456c
Change-Id: Idee0d7e25684262c53f897679768e753000fffab
tree: 73f9f17cd06b20900d30b446fab57811306bae63
  1. res/
  2. src/
  3. Android.bp
  4. AndroidManifest.xml