Support unigram historical information migration.

Bug: 13406708
Change-Id: Ibed15b3bc5d5ae68faefa379028dbe10d32b0c0f
7 files changed
tree: 939c4368d8a1150acd5f300c8ad4a529646b1ba7
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk