Clean up references to deprecated code

test/codegen/recorder_test.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.
 
 @TestOn('vm')
 library smoke.test.codegen.recorder_test;
 
-import 'package:analyzer/src/generated/element.dart';
+import 'package:analyzer/dart/element/element.dart';
 import 'package:smoke/codegen/generator.dart';
 import 'package:smoke/codegen/recorder.dart';
 import 'package:test/test.dart';
 
 import 'common.dart' show checkResults;
 import 'testing_resolver_utils.dart' show initAnalyzer;
 
 main() {
   var provider = initAnalyzer(_SOURCES);
   var generator;
@@ skipping 753 matching lines @@
 
       class K {
         @AnnotC(named: true) int k;
         @AnnotC() int k2;
       }
       '''
 };
 
 String resolveImportUrl(LibraryElement lib) =>
     lib.isDartCore ? 'dart:core' : '/${lib.displayName}.dart';