Update dart2js_foreign suite as we now validate annotations.

dart/tests/compiler/dart2js_foreign/native_missing_method2_test.dart

Index: dart/tests/compiler/dart2js_foreign/native_missing_method2_test.dart
diff --git a/dart/tests/compiler/dart2js_foreign/native_missing_method2_test.dart b/dart/tests/compiler/dart2js_foreign/native_missing_method2_test.dart
index 13feebd602f2ee0b03e563872e8c9d55796c398a..fb99986e903aa077be0d7c1a81594ee5074af4aa 100644
--- a/dart/tests/compiler/dart2js_foreign/native_missing_method2_test.dart
+++ b/dart/tests/compiler/dart2js_foreign/native_missing_method2_test.dart
@@ -2,13 +2,15 @@
 // 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("*A")
+import 'native_metadata.dart';
+
+@Native("*A")
 class A {
 }
 
 @native makeA();
 
-@native("""
+@Native("""
 function A() {};
 A.prototype.foo = function() { return  42; }
 makeA = function() { return new A; }