Fix jump in two-finger expand motion with no notifications

        float notificationHeight = mNotificationStackScroller.getHeight()

                - mNotificationStackScroller.getEmptyBottomMargin()

                - mNotificationStackScroller.getTopPadding();

        // When only empty shade view is visible in QS collapsed state, simulate that we would have

        // it in expanded QS state as well so we don't run into troubles when fading the view in/out

        // and expanding/collapsing the whole panel from/to quick settings.

        if (mNotificationStackScroller.getNotGoneChildCount() == 0

                && mShadeEmpty) {

            notificationHeight = mNotificationStackScroller.getEmptyShadeViewHeight()

                    + mNotificationStackScroller.getBottomStackPeekSize()

                    + mNotificationStackScroller.getCollapseSecondCardPadding();

        }

        float totalHeight = Math.max(

                mQsMaxExpansionHeight + mNotificationStackScroller.getNotificationTopPadding(),

                mClockPositionResult.stackScrollerPadding - mTopPaddingAdjustment)

        return height;

    }

    public int getEmptyShadeViewHeight() {

        return mEmptyShadeView.getHeight();

    }

    public float getBottomMostNotificationBottom() {

        final int count = getChildCount();

        float max = 0;