Introduce RtlLayoutPreferenceController

- Create new RtlLayoutPreferenceController
 - Create controller inside the DashboardFragment
 - Port logic from DevelopmentSettings into the controller

Bug: 34203528
Test: make RunSettingsRoboTests -j40
Change-Id: Ieefd8dc97b0e1f781d97aca781bba0243c3875b9

src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -281,7 +281,7 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra
         controllers.add(new PointerLocationPreferenceController(context));
         controllers.add(new ShowSurfaceUpdatesPreferenceController(context));
         // show layout bounds
-        // force rtl layout direction
+        controllers.add(new RtlLayoutPreferenceController(context));
         // window animation scale
         // transition animation scale
         // animator duration scale