Invalidate (re-section) the list when a notification is no longer heads up.

Fixes: 231337045
Test: dumpsysui NotifLog NotifHeadsUpLog
Change-Id: I9aa8b5b09336db70c6d83844b7b265625837effd

packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/HeadsUpCoordinator.kt

@@ -503,6 +503,7 @@ class HeadsUpCoordinator @Inject constructor(
     private val mOnHeadsUpChangedListener = object : OnHeadsUpChangedListener {
         override fun onHeadsUpStateChanged(entry: NotificationEntry, isHeadsUp: Boolean) {
             if (!isHeadsUp) {
+                mNotifPromoter.invalidateList()
                 mHeadsUpViewBinder.unbindHeadsUpView(entry)
                 endNotifLifetimeExtensionIfExtended(entry)
             }