Preparing to upstream: Created host_attributes and server_job_utils files.

server/host_attributes.py

Index: server/host_attributes.py
diff --git a/server/host_attributes.py b/server/host_attributes.py
new file mode 100644
index 0000000000000000000000000000000000000000..1ac92e2e83a97be77e6937f9b462577acbac2ad1
--- /dev/null
+++ b/server/host_attributes.py
@@ -0,0 +1,20 @@
+# 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 utils
+
+
+class base_host_attributes(object):
+    def __init__(self, host):
+        pass
+
+
+site_host_attributes = utils.import_site_class(
+    __file__, "autotest_lib.server.site_host_attributes",
+    "HostAttributes", base_host_attributes)
+
+
+class host_attributes(site_host_attributes):
+    def __init__(self, host):
+        super(host_attributes, self).__init__(host)