Move prev word related logic to PrevWordsInfo.

Bug: 14119293
Bug: 14425059
Change-Id: I1bbd7ab4ace2c475f27bc468cb7b4d67e1ae2f9f
4 files changed
tree: 955c391cffec06cfffb3e03d1d1f6a122d914e03
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk