Cancel ongoing dismiss animation when Launcher state changes.

Fix: 410744889
Test: Manual
Flag: com.android.launcher3.enable_expressive_dismiss_task_motion
Change-Id: I5e81de6762e7d0ea47f8574599901aac1bb8bb77

tests/multivalentTests/src/com/android/launcher3/util/ActivityContextWrapper.java

@@ -60,6 +60,7 @@ public class ActivityContextWrapper extends BaseContext {
 
         @Override
         public void recreateControllers() {
+            super.recreateControllers();
             mControllers = new TouchController[0];
         }
     }