Quicksettings: quick pulldown: try to fix pulling down the wrong side

getWidth() may return 0 when NotificationPanelView isn't laid out yet.

Change-Id: I32f423decf42d08466cbe73bd23ccf70ce66e093
Signed-off-by: David96 <xD_e-mail@gmx.de>
Merge "Quicksettings: quick pulldown: try to fix pulling down the wrong side" into kitkat