Unify the server and plugin versions of the generators

pkg/analysis_server/test/services/correction/util_test.dart

Index: pkg/analysis_server/test/services/correction/util_test.dart
diff --git a/pkg/analysis_server/test/services/correction/util_test.dart b/pkg/analysis_server/test/services/correction/util_test.dart
index 8639a6b281ed9b2662e432f5f6de4064b0b76fa0..6fc0f982a7f1fa4c4a864a9c1a7d94fed19f45bb 100644
--- a/pkg/analysis_server/test/services/correction/util_test.dart
+++ b/pkg/analysis_server/test/services/correction/util_test.dart
@@ -2,9 +2,7 @@
 // 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 test.services.correction.util;
-
-import 'package:analysis_server/plugin/protocol/protocol.dart';
+import 'package:analysis_server/protocol/protocol_generated.dart';
 import 'package:analysis_server/src/services/correction/strings.dart';
 import 'package:analysis_server/src/services/correction/util.dart';
 import 'package:analyzer/src/generated/source.dart';