Removed sys-ui's use of static stack ids.

Test: Existing tests pass
Test: go/wm-smoke
Bug: 64146578
Change-Id: Ia74b363358cbae383e74dbc33fdcbb37191f0419
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index 9d329c2..da2827a 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -3219,8 +3219,7 @@
         ensureActivitiesVisibleLocked(null, 0, !PRESERVE_WINDOWS);
         resumeFocusedStackTopActivityLocked();
 
-        mService.mTaskChangeNotificationController.notifyActivityPinned(r.packageName, r.userId,
-                r.getTask().taskId);
+        mService.mTaskChangeNotificationController.notifyActivityPinned(r);
     }
 
     /** Move activity with its stack to front and make the stack focused. */