UI refinement of highlighted menu entry for large screen

- Add a new highlight background drawable
- Add two homepage specific preferences for the new layout design

Fix: 207079684
Test: visual
Change-Id: I20c80da090a03129bffa845d443ee5d1ad13b97b

src/com/android/settings/dashboard/DashboardFragment.java

@@ -529,8 +529,7 @@ public abstract class DashboardFragment extends SettingsPreferenceFragment
         mBlockerController.countDown(controller.getPreferenceKey());
     }
 
-    @VisibleForTesting
-    Preference createPreference(Tile tile) {
+    protected Preference createPreference(Tile tile) {
         return tile instanceof ProviderTile
                 ? new SwitchPreference(getPrefContext())
                 : tile.hasSwitch()