Add user history dictionary decaying test.

Bug: 10667710

Change-Id: Ib2be57d8c4cbbb34f64555d84ea6fd571cfdd247
2 files changed
tree: 605fd31ea2e040ed6eeadc6c5fb31758b3468034
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk