Remove unused TabLayout.

Change-Id: I3258de42eac5e3f516d051007752b37705218392

Author: nic0lette

mediacontroller/src/main/res/layout/activity_media_app_controller.xml

@@ -118,13 +118,6 @@
                 android:id="@+id/controls_page"
                 layout="@layout/media_controls" />
 
-            <android.support.design.widget.TabLayout
-                android:id="@+id/tabDots"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_alignParentBottom="true"
-                app:tabGravity="center"
-                app:tabIndicatorHeight="0dp" />
         android.support.v4.view.ViewPager>
 
         <android.support.design.widget.TabLayout