Rename generated file

pkg/analyzer_plugin/lib/utilities/subscription_manager.dart

 // Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-import 'package:analyzer_plugin/protocol/generated_protocol.dart';
+import 'package:analyzer_plugin/protocol/protocol_generated.dart';
 
 /**
  * An object that manages the subscriptions for analysis results.
  */
 class SubscriptionManager {
   /**
    * The current set of subscriptions.
    */
   Map<AnalysisService, List<String>> _subscriptions;
 
@@ skipping 19 matching lines @@
   }
 
   /**
    * Set the current set of subscriptions to those described by the given map of
    * [subscriptions].
    */
   void setSubscriptions(Map<AnalysisService, List<String>> subscriptions) {
     _subscriptions = subscriptions;
   }
 }