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

tests/standalone/src/MultipleTimerTest.dart

Index: tests/standalone/src/MultipleTimerTest.dart
diff --git a/tests/standalone/src/MultipleTimerTest.dart b/tests/standalone/src/MultipleTimerTest.dart
index 7aeb65e160f50be240c705614f8a00a7728ab3b0..bfeb344a9b179ba3187bda22d32ca7c591c36858 100644
--- a/tests/standalone/src/MultipleTimerTest.dart
+++ b/tests/standalone/src/MultipleTimerTest.dart
@@ -1,7 +1,9 @@
-// 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.
 
+#import("dart:io");
+
 class MultipleTimerTest {
 
   static final int TIMEOUT1 = 1000;