Support per-Key and per-Keyboard key visual attributes

This change refactors KeyDrawParams and KeyPreviewDrawParams to
separate KeyVisualAttributes.

Change-Id: I4de549eef303e1debe4b8f84668e042445fc18da
11 files changed
tree: 78ff4c00428e34115b2e16599f99a4acf44641f0
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk