diff --git a/core/api/test-current.txt b/core/api/test-current.txt
index ff26ae8d09fcc..61c12dd25e30c 100644
--- a/core/api/test-current.txt
+++ b/core/api/test-current.txt
@@ -103,6 +103,7 @@ package android.animation {
 package android.app {
 
   @UiContext public class Activity extends android.view.ContextThemeWrapper implements android.content.ComponentCallbacks2 android.view.KeyEvent.Callback android.view.LayoutInflater.Factory2 android.view.OnBackInvokedDispatcherOwner android.view.View.OnCreateContextMenuListener android.view.Window.Callback {
+    method public final boolean addDumpable(@NonNull android.util.Dumpable);
     method public void onMovedToDisplay(int, android.content.res.Configuration);
   }
 
diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index a7b96a6f136db..38138d81885d1 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -7098,6 +7098,7 @@ public class Activity extends ContextThemeWrapper
      * @hide
      */
     @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    @TestApi
     public final boolean addDumpable(@NonNull Dumpable dumpable) {
         if (mDumpableContainer == null) {
             mDumpableContainer = new DumpableContainerImpl();