Move service library test into observatory package.

tests/standalone/vmservice/allocations_script.dart

Index: tests/standalone/vmservice/allocations_script.dart
===================================================================
--- tests/standalone/vmservice/allocations_script.dart	(revision 38788)
+++ tests/standalone/vmservice/allocations_script.dart	(working copy)
@@ -1,19 +0,0 @@
-// Copyright (c) 2014, 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 allocations_script;
-
-import 'dart:io';
-
-class Foo {
-}
-List<Foo> foos;
-
-main() {
-  foos = [new Foo(), new Foo(), new Foo()];
-
-  print(''); // Print blank line to signal that we are ready.
-  // Wait until signaled from spawning test.
-  stdin.first.then((_) => exit(0));
-}