am 08fd3d95: Merge "Add DigraphUtils class"

* commit '08fd3d95d52835bf1ada92ce6aa76ba7651c3f8b':
  Add DigraphUtils class
tree: bb8947374acded385ee949c073788852c3a30a71
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk