allowing cord-tester setup to skip onoscord configuration and adding onf manifest

Change-Id: I6817491b9c876585fb5c47a802a1c3490223b726
(cherry picked from commit 1511ef0c9ede7fe76271286f0d941503dd70d211)
diff --git a/src/test/utils/TestManifest.py b/src/test/utils/TestManifest.py
index 17bc370..c112221 100644
--- a/src/test/utils/TestManifest.py
+++ b/src/test/utils/TestManifest.py
@@ -71,6 +71,7 @@
             self.voltha_enable = args.voltha_enable
             self.voltha_container_mode = args.voltha_container_mode
             self.expose_port = args.expose_port
+            self.skip_onos_restart = args.skip_onos_restart
         else:
             with open(self.manifest, 'r') as fd:
                 data = json.load(fd)
@@ -107,3 +108,4 @@
             self.expose_port = data.get('expose_port', False)
             if self.voltha_enable and self.voltha_container_mode:
                 self.expose_port = True
+            self.skip_onos_restart = data.get('skip_onos_restart', False)