When checking for isTaskView(), account for children.

- This case can happen when TaskView contains a launch root task view
  that contains other tasks. These children tasks can potentially be
  reparented to a new Surface.

Test: Tested manually using the Car ui portrait target
Fix: 265483665
Change-Id: I549ece791eab942a3fc5297b8bc914f1217b9416

services/core/java/com/android/server/wm/AppTransitionController.java

@@ -901,9 +901,18 @@ public class AppTransitionController {
      * TODO(b/213312721): Remove this predicate and its callers once ShellTransition is enabled.
      */
     static boolean isTaskViewTask(WindowContainer wc) {
-        // We use Task#mRemoveWithTaskOrganizer to identify an embedded Task, but this is a hack and
+        // Use Task#mRemoveWithTaskOrganizer to identify an embedded Task, but this is a hack and
         // it is not guaranteed to work this logic in the future version.
-        return wc instanceof Task && ((Task) wc).mRemoveWithTaskOrganizer;
+        boolean isTaskViewTask =  wc instanceof Task && ((Task) wc).mRemoveWithTaskOrganizer;
+        if (isTaskViewTask) {
+            return true;
+        }
+
+        WindowContainer parent = wc.getParent();
+        boolean isParentATaskViewTask = parent != null
+                && parent instanceof Task
+                && ((Task) parent).mRemoveWithTaskOrganizer;
+        return isParentATaskViewTask;
     }
 
     /**