CSIT-998: MRR tests

CSIT-998: MRR tests

 - CSIT-999: MRR tests: L2
   - 10ge2p1x520-eth-l2xcbase-mrr.robot
   - 10ge2p1x520-eth-l2bdbasemaclrn-mrr.robot
   - 10ge2p1x520-dot1q-l2bdbasemaclrn-mrr.robot
   - 10ge2p1x520-dot1q-l2xcbase-mrr.robot
   - 10ge2p1x520-eth-l2bdbasemaclrn-iacl1sf-10kflows-mrr.robot
   - 10ge2p1x520-eth-l2bdbasemaclrn-iacl1sl-10kflows-mrr.robot
   - 10ge2p1x520-eth-l2bdbasemaclrn-iacl50sf-10kflows-mrr.robot
   - 10ge2p1x520-eth-l2bdbasemaclrn-iacl50sl-10kflows-mrr.robot
   - 10ge2p1x520-eth-l2bdscale100kmaclrn-mrr.robot
   - 10ge2p1x520-eth-l2bdscale10kmaclrn-mrr.robot
   - 10ge2p1x520-eth-l2bdscale1mmaclrn-mrr.robot
   - 10ge2p1x710-eth-l2bdbasemaclrn-ndrpdrdisc.robot
   - 40ge2p1xl710-eth-l2bdbasemaclrn-mrr.robot
   - 40ge2p1xl710-eth-l2xcbase-mrr.robot
 - CSIT-1000: MRR tests: IPv6
   ─ 10ge2p1x520-ethip6-ip6base-copwhtlistbase-mrr.robot
   - 10ge2p1x520-ethip6-ip6base-iacldstbase-mrr.robot
   ─ 10ge2p1x520-ethip6-ip6scale200k-mrr.robot
   ─ 10ge2p1x520-ethip6-ip6scale20k-mrr.robot
   ─ 10ge2p1x520-ethip6-ip6scale2m-mrr.robot
   ─ 40ge2p1xl710-ethip6-ip6base-mrr.robot

Change-Id: Ie42b08151b5da3ba32b972af8b6bedf313c6d29c
Signed-off-by: Tibor Frank <tifrank@cisco.com>
(cherry picked from commit aefed05ca7fa9bdbbd2dbc5f2a179912db67cfd4)
(cherry picked from commit 2859297d100f90ab60092468d05d5a00d4c2e262)