diff --git a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
index 4f01d699..d8bc3bc 100644
--- a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
+++ b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
@@ -6870,5 +6870,12 @@
                 mProfilerInfo = profilerInfo;
             }
         }
+
+        @Override
+        public ActivityMetricsLaunchObserverRegistry getLaunchObserverRegistry() {
+            synchronized (mGlobalLock) {
+                return mStackSupervisor.getActivityMetricsLogger().getLaunchObserverRegistry();
+            }
+        }
     }
-}
\ No newline at end of file
+}