Add preference controllers for displaying groups of bonded and unbonded Bluetooth devices.

This is one of many individual changes to migrate Bluetooth settings to the Preference framework. For end to end usage, see ag/5258452.

Bug: 117334982

Test: RunCarSettingsRoboTests, tested end to end in full feature CL.
Change-Id: I8ce7fa3642d41d6ba80dc4e745373871f0713913
9 files changed
tree: 134a550ff3752885d925e773d08d4890f0af3968
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. PREUPLOAD.cfg