Migrate system settings page to PreferenceController and SettingsFragment.

Because ExtraSettingsLoader was migrated but this fragment was not, loading extra settings was no longer working on this page and blocking other development.

Bug: 112931076

Test: build and deploy, RunCarSettingsRoboTests
Change-Id: Ida9824cf189a3ecb25e2669401b0ad853fb9df28
10 files changed
tree: 5ee18134c312215ec57b89cb48d9aa637e6c31a8
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. PREUPLOAD.cfg