Search bigrams for the lower case version of the word (A46)

...if there aren't any for the exact case version.

Bug: 6752830
Change-Id: I2737148b01ba04a64febe009ceb2ef53c265d224
7 files changed
tree: 1daca9e76e24f216ea467555b269eeb8c41b214c
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk