The admin-policy scenario test configures test topology
that allows VMs at 2 tenants to talk to each other or rejected
based on the NSX policy being applied to their security-group.
Traffic forwarding is validated using different policy-ID assigned
to tenant VMs' security-group.
Ping-test uses CONF.scenario.waitfor_connectivity for how long it
should wait for ping test to PASS or FAIL. If ping not in
expected condition, additinoal ping-test will be conducted.
All three router types are tested.
policy-AA and policy-BB blueprint to be imported to NSX.
Change-Id: I6960a1bbccdb6c4664a36a22ec4ccc28b368f2c0