Add @MirrorsUsed annotations to speed up tests.

tests/lib/mirrors/equality_test.dart

 // Copyright (c) 2013, 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.
 
-// This tests uses the multi-test "ok" feature:
-// none: Trimmed behaviour. Passing on the VM.
-// 01: Trimmed version for dart2js.
-// 02: Full version passing in the VM.
-//
-// TODO(rmacnak,ahe): Remove multi-test when VM and dart2js are on par.
-
 library test.class_equality_test;
 
+@MirrorsUsed(targets: "test.class_equality_test")
 import 'dart:mirrors';
 
 import 'package:expect/expect.dart';
 
 class A<T> {}
 class B extends A<int> {}
 
 class BadEqualityHash {
   int count = 0;
   bool operator ==(other) => true;
@@ skipping 127 matching lines @@
 
     {'currentMirrorSystem().isolate' : currentMirrorSystem().isolate},
 
     {'thisLibrary' : thisLibrary,
      'reflectClass(A).owner' : reflectClass(A).owner,
      'reflectClass(B).owner' : reflectClass(B).owner,
      'reflect(new A()).type.owner' : reflect(new A()).type.owner,
      'reflect(new B()).type.owner' : reflect(new B()).type.owner},
   ]);
 }