Add ability to handle digraphs in gesture and tap typing

Example: Gesture the German word "ueber" and the system will now replace
the transliteration "ue" with the correct u-umlaut.

Bug: 8493920
Change-Id: I03e1d6311b4187b6c7f802d8fef43a50eee12721
2 files changed
tree: a159100e081b349d963e8cb14317d00333945255
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk