Merge Android R

Bug: 168057903
Merged-In: If047a34e34220942c2bb174f7692b3a5a6cd50f7
Change-Id: I203f5868313e17941dcb5ff1fc65176c41e255f1
tree: 4f20b5e8e58c3c08989e32d02060f54b2084a062
  1. Android.bp
  2. AndroidManifest.xml
  3. res/
  4. src/
  5. tests/