Refactor key preview methods

Extract key press and release handling out of previewKey() to
KeyDebouncer class. And pass Key object as argument of previewKey()
instead of key index.

Bug: 2910379
Change-Id: Ifec39cfc4845bd92da2f62eba2b26ac6a5cbb341
1 file changed
tree: b5a957fdb9907302c3373543b4371378b871723d
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. Android.mk
  6. CleanSpec.mk