Use PrevWordsInfo instead of String in Java side.

Bug: 14119293
Bug: 14425059

Change-Id: I3d5da84881a49a04550180dd9aac2c37da2ed762
20 files changed
tree: 19a7a38c09f81891d786c0aa980ba1d98a42ec74
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk