Update dart2js_foreign suite as we now validate annotations.

dart/tests/compiler/dart2js_foreign/native_literal_class_test.dart

Index: dart/tests/compiler/dart2js_foreign/native_literal_class_test.dart
diff --git a/dart/tests/compiler/dart2js_foreign/native_literal_class_test.dart b/dart/tests/compiler/dart2js_foreign/native_literal_class_test.dart
index 635859519fd9918e4e328c6ae5fabacd4feba094..86e9fd07a1f7bb8327a541595774fab5a64dedc9 100644
--- a/dart/tests/compiler/dart2js_foreign/native_literal_class_test.dart
+++ b/dart/tests/compiler/dart2js_foreign/native_literal_class_test.dart
@@ -2,12 +2,14 @@
 // 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.
 
-@native("= {log: function() { return 42 } }")
+import 'native_metadata.dart';
+
+@Native("= {log: function() { return 42 } }")
 class A {
   @native void log();
 }
 
-@native("""
+@Native("""
   return A;
 """)
 getA();