Merge changes from topic "available_keyboards" into pi-car-dev

* changes:
  DO NOT MERGE Tests for KeyboardManagementPreferenceController
  Show and update the available keyboard list
tree: 6eea3e3041f985152194efb871a6510da92b671a
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. PREUPLOAD.cfg