Fixed a bug where the QS was animating wrong when closing

Because the overscroll flag was still set the animation could
be wrong.

Change-Id: I52adf744c92723590297844bbefef8ecf5c8d737
Fixes: 28511835

packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java

@@ -941,6 +941,7 @@ public class NotificationPanelView extends PanelView implements
     @Override
     public void flingTopOverscroll(float velocity, boolean open) {
         mLastOverscroll = 0f;
+        mQsExpansionFromOverscroll = false;
         setQsExpansion(mQsExpansionHeight);
         flingSettings(!mQsExpansionEnabled && open ? 0f : velocity, open && mQsExpansionEnabled,
                 new Runnable() {