BubbleView: surface size should fit the actual visible size

res/layout/frag_call.xml

@@ -9,7 +9,7 @@
             android:id="@+id/main_view"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
-            android:focusable="true"/>
+            android:layout_above="@+id/speaker_toggle"/>
 
     <RelativeLayout
             android:id="@+id/call_status_bar"