Clean up package imports and library names

pkg/analyzer/test/reflective_tests.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 reflective_tests;
+library analyzer.test.reflective_tests;
 
 @MirrorsUsed(metaTargets: 'ReflectiveTest')
 import 'dart:mirrors';
 import 'dart:async';
 
 import 'package:unittest/unittest.dart';
 
 /**
  * Runs test methods existing in the given [type].
  *
@@ skipping 96 matching lines @@
  */
 class ReflectiveTest {
   const ReflectiveTest();
 }
 
 /**
  * A marker annotation used to instruct dart2js to keep reflection information
  * for the annotated classes.
  */
 const ReflectiveTest reflectiveTest = const ReflectiveTest();