am 1711f986: Merge "Add shadow to gesture preview trail"

* commit '1711f986d41036ea668697b952d0fbf0bc1ee6ab':
  Add shadow to gesture preview trail
tree: 460da66aa1fbda58bd8dcb800b8a95f247f3b89b
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk