am df35ac5f: Merge "Remove reference to StatusBarNotification after the value is accessed." into lmp-dev

* commit 'df35ac5fab51383099a2f8e5206202af58ef79bf':
  Remove reference to StatusBarNotification after the value is accessed.

core/java/android/service/notification/IStatusBarNotificationHolder.aidl

@@ -20,5 +20,6 @@ import android.service.notification.StatusBarNotification;
 
 /** @hide */
 interface IStatusBarNotificationHolder {
+    /** Fetch the held StatusBarNotification. This method should only be called once per Holder */
     StatusBarNotification get();
 }

services/core/java/com/android/server/notification/NotificationManagerService.java

@@ -2965,15 +2965,18 @@ public class NotificationManagerService extends SystemService {
      */
     private static final class StatusBarNotificationHolder
             extends IStatusBarNotificationHolder.Stub {
-        private final StatusBarNotification mValue;
+        private StatusBarNotification mValue;
 
         public StatusBarNotificationHolder(StatusBarNotification value) {
             mValue = value;
         }
 
+        /** Get the held value and clear it. This function should only be called once per holder */
         @Override
         public StatusBarNotification get() {
-            return mValue;
+            StatusBarNotification value = mValue;
+            mValue = null;
+            return value;
         }
     }
 }