Merge "Fix opening of shade when open via button or programatically."

        }

        Rect rect = mNotificationView.getClipBounds();

        if (rect != null) {

        if (rect != null && rect.bottom != to) {

            float from = rect.bottom;

            animate(from, to, velocity, isClosing);

            return;

        }

        // We will only be here if the shade is being opened programmatically.

        // We will only be here if the shade is being opened programmatically or via button when

        // height of the layout was not calculated.

        ViewTreeObserver notificationTreeObserver = mNotificationView.getViewTreeObserver();

        notificationTreeObserver.addOnGlobalLayoutListener(

                new ViewTreeObserver.OnGlobalLayoutListener() {