Update to test scripts to work with both ModemManager and Cromo

test/mm-register

 #!/usr/bin/python
 
+# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
 import dbus
 import mm
 import sys
 
-manager = mm.ModemManager()
-
-devices = manager.manager.EnumerateDevices()
+devices = mm.EnumerateDevices()
 
 network = ""
 
 if len(sys.argv) > 1:
         network = sys.argv[1]
 
-for path in devices:
+for manager, path in devices:
 
         props = manager.Properties(path)
 
         if props['Type'] == mm.ModemManager.GSM_MODEM:
                 print 'Path: %s' % path
                 print ''
 
                 gsm_network = manager.GsmNetwork(path)
                 gsm_network.Register("")