Update to test scripts to work with both ModemManager and Cromo

test/mm-list-modems

Index: test/mm-list-modems
diff --git a/test/mm-list-modems b/test/mm-list-modems
index ae7baf219fb3b01815b0475f4b98e929f1499677..f5ad716fec20e7498414a80fc304bcb6f01161aa 100755
--- a/test/mm-list-modems
+++ b/test/mm-list-modems
@@ -1,11 +1,13 @@
 #!/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
 
-manager = mm.ModemManager()
-
-devices = manager.manager.EnumerateDevices()
+devices = mm.EnumerateDevices()
 
-for path in devices:
+for manager, path in devices:
 	print path