Settings Fragment Migration (Build pass app)

This patch focused on fixing compile errors and some runtime errors.

Test: We can't test it now. But we will have an integration test later.
Bug: 110259478
Change-Id: I16c471ddcd0fa1460c665b7f74d86fcace5ee67b

src/com/android/settings/DateTimeSettings.java

@@ -71,7 +71,7 @@ public class DateTimeSettings extends DashboardFragment implements
     @Override
     public void onAttach(Context context) {
         super.onAttach(context);
-        getLifecycle().addObserver(new TimeChangeListenerMixin(context, this));
+        getSettingsLifecycle().addObserver(new TimeChangeListenerMixin(context, this));
     }
 
     @Override