am ec5ad29a: am d25cd26f: Merge "Try decaying user history at hourly intervals."

* commit 'ec5ad29a1f81b3d1a907c201f1d6fed01aea627b':
  Try decaying user history at hourly intervals.
tree: dd7896bc7e828f30b1538c37186039a4f8075e1a
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk