Define action buttons preference

Add new action buttons preference for use in new UI redesign.

Bug: 171065985
Test: manual, atest CarSettingsUnitTests
Change-Id: I70c343545d74f53b457abde04ce13d9cb0d58d16
Merged-In: I70c343545d74f53b457abde04ce13d9cb0d58d16
6 files changed
tree: 4f43598c476bf22b2f476e1a16f6518a0ca58c4a
  1. res/
  2. src/
  3. tests/
  4. Android.bp
  5. AndroidManifest.xml
  6. OWNERS
  7. PREUPLOAD.cfg