Move ending CUJ_SPLIT_SCREEN_ENTER to after we show tasks to user

* Previously the CUJ was ending after only the launcher side
animation was completing, before we actually made the
call into shell to launch the tasks

Test: Compiles (no baseline to test metrics/latency off of)
Bug: 285578568
Change-Id: I958e4a5265cb2fd81f2358343846385058b4465a
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index be9da34..76f9c2c 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -4794,8 +4794,9 @@
                         } else {
                             resetFromSplitSelectionState();
                         }
+                        InteractionJankMonitorWrapper.end(
+                                InteractionJankMonitorWrapper.CUJ_SPLIT_SCREEN_ENTER);
                     });
-            InteractionJankMonitorWrapper.end(InteractionJankMonitorWrapper.CUJ_SPLIT_SCREEN_ENTER);
         });
 
         mSecondSplitHiddenView = containerTaskView;