Fixed an RTL overlapping issue in volume settings.

Bug: 17468763
Change-Id: Iea9b769013e4551f8b523a08a229ed7804b275f5

packages/SystemUI/res/layout/zen_mode_panel.xml

@@ -40,7 +40,7 @@
             android:clipChildren="false" />
     </FrameLayout>
 
-    <FrameLayout
+    <RelativeLayout
         android:id="@+id/zen_subhead"
         android:layout_width="match_parent"
         android:layout_height="62dp"
@@ -73,13 +73,14 @@
             android:id="@+id/zen_more_settings"
             android:layout_width="48dp"
             android:layout_height="48dp"
-            android:layout_gravity="end|center_vertical"
+            android:layout_alignParentEnd="true"
             android:background="@drawable/btn_borderless_rect"
             android:clickable="true"
             android:contentDescription="@null"
             android:scaleType="center"
             android:src="@drawable/ic_settings" />
-    </FrameLayout>
+
+    </RelativeLayout>
 
     <LinearLayout
         android:id="@+id/zen_conditions"