Merge "Fixed a ltr bug where the buttons disappeared" into lmp-dev

            <!-- navigation controls -->

            <FrameLayout

                android:layout_width="@dimen/navigation_extra_key_width"

                android:layout_height="match_parent"

                android:layout_height="40dp"

                android:layout_weight="0" >

                <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/menu"

                    android:layout_height="@dimen/navigation_extra_key_width"