am 2564bd09: Merge "Reuse old preferences if possible."

* commit '2564bd09375c24bbd7fef0fd30cb3ba8a606a274':
  Reuse old preferences if possible.
tree: 7343688287ad6da2588765d5f270b20f8c33af8b
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk