This suite uses RestPerfClient on MDSAL northbound, via
Restconf. Similar to "performance.robot" but no device is
involved and thus no testtool deployment is necessary,
the only needed tool is restperfclient.
Change-Id: I117e790cd5434933d105ccbc29c6bcf7a9fca69e Signed-off-by: Jozef Behran <jbehran@cisco.com>