Reapply revert of "Make stdout/stderr async"

tests/standalone/io/stdio_nonblocking_test.dart

Index: tests/standalone/io/stdio_nonblocking_test.dart
diff --git a/tests/standalone/io/console_test.dart b/tests/standalone/io/stdio_nonblocking_test.dart
similarity index 85%
rename from tests/standalone/io/console_test.dart
rename to tests/standalone/io/stdio_nonblocking_test.dart
index 30d1c9f31d9c6cc9e53e66c0045a643f2164d1f3..0740dbe7267291eef258543f25a2a6e8b34d7750 100644
--- a/tests/standalone/io/console_test.dart
+++ b/tests/standalone/io/stdio_nonblocking_test.dart
@@ -1,4 +1,4 @@
-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2015, 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.
 
@@ -8,7 +8,8 @@ import "dart:io";
 import "package:expect/expect.dart";
 
 void main() {
-  var script = Platform.script.resolve("console_script.dart").toFilePath();
+  var script =
+      Platform.script.resolve("stdio_nonblocking_script.dart").toFilePath();
   Process.run(Platform.executable,
               ['--checked', script],
               stdoutEncoding: ASCII,