CustomSeekBarPreference: Make class subclass friendly and extend it

Use a simplified subclass to fix some issues with CustomSeekBarPreference.
Fix CustomSeekBarPreference at a later time

Change-Id: I33c10da7e2f0ce6d4478a20e917b6b16ae183cee
3 files changed
tree: beb5a5b35f3ac5151b7b40535c9912220bc0b62f
  1. res/
  2. src/
  3. Android.bp
  4. AndroidManifest.xml