Refactor BinaryDictionary a bit

This changes:
* Flag initialization code in BinaryDictionary to be more unit test friendly.
* Removing unnecessary class hierarchy of LatinIME inner class WordAlternatives.
* Formatting normalized score neatly.

Change-Id: I9f10c093d4f36258fe883cf3fb10cbbda2770497
4 files changed
tree: d25fb012910d8c9b2321d91274be394d882e6471
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk