Support bigram historical information migration.

Bug: 13406708
Change-Id: I4bae53e43cb7653eac3b5bd13da2d2bc8aaf88a9
15 files changed
tree: 52f30e34edace197701bd95b7f63c07af66acefe
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk