diff --git a/core/java/android/os/Build.java b/core/java/android/os/Build.java
index 7330796..e6b35ac 100755
--- a/core/java/android/os/Build.java
+++ b/core/java/android/os/Build.java
@@ -161,7 +161,7 @@
         try {
             Application application = ActivityThread.currentApplication();
             String callingPackage = application != null ? application.getPackageName() : null;
-            return service.getSerialForPackage(callingPackage);
+            return service.getSerialForPackage(callingPackage, null);
         } catch (RemoteException e) {
             e.rethrowFromSystemServer();
         }
diff --git a/core/java/android/os/IDeviceIdentifiersPolicyService.aidl b/core/java/android/os/IDeviceIdentifiersPolicyService.aidl
index 87d358f..d11aa0c 100644
--- a/core/java/android/os/IDeviceIdentifiersPolicyService.aidl
+++ b/core/java/android/os/IDeviceIdentifiersPolicyService.aidl
@@ -21,5 +21,5 @@
  */
 interface IDeviceIdentifiersPolicyService {
     String getSerial();
-    String getSerialForPackage(in String callingPackage);
-}
\ No newline at end of file
+    String getSerialForPackage(in String callingPackage, String callingFeatureId);
+}