[Rlog50] capture bigrams properly even with deletions

multi-project commit with Ia4ec213e8356897807cb6a278fccdbaa945732f0

Change-Id: Ib3fe886dc889954a31586ab81d00a21d8d55efd2
7 files changed
tree: 9f3bb80f7e4fd39b4e999c2013f40816abedde3e
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk