Add a hint to queue pos

This forces android to create the text-view with a size wide enough to fit '00/00' in it.
Without this, we might end up with a smaller view which gets truncated if the text to display
switches from 9/10 to 10/10

res/layout/full_playback_alt.xml

@@ -49,6 +49,8 @@ THE SOFTWARE.
 			<TextView
 				android:id="@+id/queue_pos"
 				android:singleLine="true"
+				android:hint="00/00"
+				android:gravity="right"
 				android:layout_gravity="top" />
 		</TableRow>
 		<TableRow>