Unify the server and plugin versions of the generators

pkg/analysis_server/lib/src/services/correction/fix_internal.dart

 // Copyright (c) 2014, 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.
 
 library analysis_server.src.services.correction.fix_internal;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:core';
 
 import 'package:analysis_server/plugin/edit/fix/fix_core.dart';
 import 'package:analysis_server/plugin/edit/fix/fix_dart.dart';
-import 'package:analysis_server/plugin/protocol/protocol.dart'
+import 'package:analysis_server/protocol/protocol_generated.dart'
     hide AnalysisError, Element, ElementKind;
 import 'package:analysis_server/src/protocol_server.dart'
     show doSourceChange_addElementEdit, doSourceChange_addSourceEdit;
 import 'package:analysis_server/src/services/correction/fix.dart';
 import 'package:analysis_server/src/services/correction/flutter_util.dart';
 import 'package:analysis_server/src/services/correction/levenshtein.dart';
 import 'package:analysis_server/src/services/correction/name_suggestion.dart';
 import 'package:analysis_server/src/services/correction/namespace.dart';
 import 'package:analysis_server/src/services/correction/source_buffer.dart';
 import 'package:analysis_server/src/services/correction/source_range.dart'
@@ skipping 3127 matching lines @@
       }
     }
   }
 
   void _updateList(Iterable<Element> elements) {
     for (Element element in elements) {
       _update(element);
     }
   }
 }