Fix janky swiping with RemoteInputViews

Change-Id: Ie0f525b886c41fdd0f3ef7cc7efb525ed08f3560
Fixes: 28885122
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
index b4ce9cd..a80ce98 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
@@ -684,8 +684,13 @@
         return mRemoved;
     }
 
-    public void setRemoved(boolean removed) {
-        mRemoved = removed;
+    public void setRemoved() {
+        mRemoved = true;
+
+        mPrivateLayout.setRemoved();
+        if (mChildrenContainer != null) {
+            mChildrenContainer.setRemoved();
+        }
     }
 
     public NotificationChildrenContainer getChildrenContainer() {