Bug 852227 - Don't highlight tab cell background on press (r=mfinkle)

mobile/android/base/resources/layout/tabs_item_cell.xml

@@ -13,8 +13,7 @@
               android:paddingBottom="6dip"
               android:paddingLeft="1dip"
               android:paddingRight="1dip"
-              android:gravity="center"
-              android:background="@drawable/tab_row">
+              android:gravity="center">
 
     <RelativeLayout android:layout_width="wrap_content"
                     android:layout_height="wrap_content"