am 4a06f52a: Merge "Add xxxhdpi assets for DocumentsUI." into lmp-dev

* commit '4a06f52aa174d411d22c9999742a93bf2d2b7099':
  Add xxxhdpi assets for DocumentsUI.
tree: 84aad7404675ca2f476c3c576e96f50398f25b33
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. wrap_alpha.py