Merge "Fix not auto pip after swipe split pair to home" into udc-dev

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java

@@ -2907,7 +2907,8 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
         }
 
         setSplitsVisible(false);
-        prepareExitSplitScreen(STAGE_TYPE_UNDEFINED, finishWct);
+        finishWct.setReparentLeafTaskIfRelaunch(mRootTaskInfo.token,
+                true /* reparentLeafTaskIfRelaunch */);
         logExit(EXIT_REASON_UNKNOWN);
     }