When BT is off hide rename preference

* Hide the preference when BT is off, shown preference when BT is on.

Bug: 78247352
Test: make -j40 RunSettingsRoboTests ROBOTEST_FILTER=BluetoothDeviceNamePreferenceControllerTest
Change-Id: Id1e11c7b546d7ac5bc8606e8645d07d77f2b522f
4 files changed