Split dart:builtin into dart:builtin and dart:io.

tools/testing/dart/status_file_parser.dart

Index: tools/testing/dart/status_file_parser.dart
diff --git a/tools/testing/dart/status_file_parser.dart b/tools/testing/dart/status_file_parser.dart
index 7382bfec7d01924c1925a3541780adc19365a6e4..abbcfb1dd42608c42b95a3404b6774bf14a3821b 100644
--- a/tools/testing/dart/status_file_parser.dart
+++ b/tools/testing/dart/status_file_parser.dart
@@ -1,10 +1,10 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2012, 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("status_file_parser");
 
-
+#import("dart:io");
 #import("status_expression.dart");
 
 // Possible outcomes of running a test.