resolve merge conflicts of 31c5def to stage-aosp-master

Change-Id: I405459b614da22a6b69bee9a76a8404e42d03bb4
tree: fa6f504a4b15589c3277c2892d027f9657ad5b28
  1. assets/
  2. res/
  3. src/
  4. tests/
  5. Android.mk
  6. AndroidManifest.xml
  7. proguard.flags