This allows Settings to test against the latest framework changes.
Also replaced TestConfig with traditional robolectric.properties.
Bug: 73173204
Bug: 73892008
Test: make -j56 RunSettingsRoboTests
Change-Id: I3135b4fa5f095ba79b282a76f45dd9baa2584bc7
In the new design, bluetooth preference is not MasterSwitchPreference
any more. This cl creates BluetoothSwitchPreference while reuse the
BluetoothEnabler.
Future cl will remove the BluetoothMasterSwitchPreference when P
feature is finalized.
Bug: 69333961
Test: RunSettingsRoboTests
Change-Id: Ie1f934b4e93a6758a1b0cf83bb5098585a635c2a