Add aggressive cancellation for auto suggestion

- Add ring buffer
- Count separator for auto suggestion
- Add a test for ring buffer

Change-Id: Id4a0aa00ceb1b055b8fc96c45e100d318cceb2ab
7 files changed
tree: b00b6639ed250fff0d3407ae5bb096043aec9c50
  1. dictionaries/
  2. java/
  3. native/
  4. res/
  5. tests/
  6. Android.mk
  7. CleanSpec.mk