Merge Android R

Bug: 168057903
Merged-In: Idfe5b27aaac2ad35cb2626afaf7d9ca5dca4ef4d
Change-Id: Ib50090d3776ab4a7877b3326c4fbe88e4890a7ee
tree: 03325f657d0e05501852e687dd59080a7379d870
  1. res/
  2. src/
  3. tests/
  4. Android.bp
  5. AndroidManifest.xml
  6. CleanSpec.mk
  7. NOTICE