Adding the initial code for Omnibot multi-machine support

testing/legion/examples/hello_world/client_test.py

+#!/usr/bin/env python
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+"""A simple client test module.
+
+This module is invoked by the host by calling the client controller's
+Subprocess RPC method. The name is passed in as a required argument on the
+command line.
+"""
+
+import argparse
+import os
+import sys
+
+
+def main():
+  parser = argparse.ArgumentParser()
+  parser.add_argument('name')
+  args = parser.parse_args()
+  print 'Hello world from', args.name
+  return 0
+
+
+if __name__ == '__main__':
+  sys.exit(main())