Introduce noKeyPreview Key attribute

This change also removes hacks in LatinKeyboardView by utilizing
noKeyPreview attribute.

Bug: 5638595
Change-Id: Icd8a3af3b7849b941f8f5532e2b432e126a909e6
17 files changed
tree: 2f4304fc000938722d7d1fcf94c824408dea06e7
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk