Fix the members name in OpenDaylightLbaasDriverV2
Fix the members name in OpenDaylightLbaasDriverV2

Fix the members name in OpenDaylightLbaasDriverV2 to be
consistent with LoadBalancerBaseDriver.


Change-Id: Ie06a8033b42754eb5ad97c189ff8e6ddab096277
Closes-Bug: #1613562

openstack/networking-odl,openstack/networking-odl,openstack/networking-odl