Add ZenModeSoundSettingsPreferenceController extends ZenModePreferenceController, and update availability status to AVAILABLE. This is cherry-picked from ag/6897872 Change-Id: I8dcb6808cc21c4f5c06548a363c998e369646487 Bug: 129320642 Test: manual & robotests
Running Settings Robolectric tests
The full suite
$ croot
$ make RunSettingsRoboTests
Running a single test class
$ croot
$ make RunSettingsRoboTests ROBOTEST_FILTER=<ClassName>
For example:
make RunSettingsRoboTests ROBOTEST_FILTER=CodeInspectionTest
You can also use partial class name in ROBOTEST_FILTER. If the partial class name matches multiple file names, all of them will be executed.