apply the new settings widget lib for the emergency alert main feature switch. Bug: 183574149 Test: Manual Change-Id: Idfdb2696056faf3dbe4ccb0061f2b61c33e94292
apply the new settings widget lib for the emergency alert main feature switch. Bug: 183574149 Test: Manual Change-Id: Idfdb2696056faf3dbe4ccb0061f2b61c33e94292