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

Bug: 166295507
Merged-In: Ie5da35d107ea80e8cd9546295dfca2c82ef3c61c
Change-Id: I0458473bf83a3196a87e6764c345c667f3d5f663
tree: da0c2851599838344810814a7073194f5fe07f31
  1. res/
  2. src/
  3. tests/
  4. Android.bp
  5. AndroidManifest.xml
  6. CleanSpec.mk
  7. NOTICE
  8. OWNERS