dart:io | Remove uses of Options class from standalone tests. Mark Options deprecated.

tests/standalone/http_launch_data/http_spawn_main.dart

 // Copyright (c) 2013, 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 http_lanuch_main;
 
 import 'dart:isolate';
 import 'dart:io';
 
-main() {
-  int port = int.parse(new Options().arguments[0]);
+main(List<String> arguments) {
+  int port = int.parse(arguments[0]);
   SendPort spawnedPort =
       spawnUri('http://127.0.0.1:$port/http_isolate_main.dart');
   spawnedPort.call('hello').then((response) {
     print(response);
   });
 }