Fix some warnings

Mostly remove unused imports

Change-Id: If8ceffdfad79b78194094527759f5c334746973e
7 files changed
tree: 6005508722ab0f34d7bca62e042cbb858e56a6bb
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk