Adjust layout for Slice InputRange

-Make title to slider aligned
-Add test cases

Bug: 147462114
Test: make -j50 RunSettingsRoboTests
Change-Id: Ib1d076f77eae75e4f861a80873117b6254729fe5

src/com/android/settings/panel/MediaOutputPanel.java

@@ -240,4 +240,9 @@ public class MediaOutputPanel implements PanelContent, LocalMediaManager.DeviceC
         mLocalMediaManager.unregisterCallback(this);
         mLocalMediaManager.stopScan();
     }
+
+    @Override
+    public int getViewType() {
+        return PanelContent.VIEW_TYPE_SLIDER;
+    }
 }