Previous patches in the blueprint implemented the support for unshelve
with qos ports and added functional test coverage for the
various scenarios. So this patch changes the API check
that rejected such operation to check for the service version and therefore
conditionally enable the feature.
Change-Id: Iaf70ee41f1bfb1a4964da3f59cd3a0b4b5e20d36
blueprint: support-move-ops-with-qos-ports-ussuri
a4c3260f56