Follow Zuul job rename
Follow Zuul job rename

Change https://review.openstack.org/604868 imported the job
legacy-keystoneclient-dsvm-functional and renamed it as
keystoneclient-devstack-functional.

Follow this job rename.

Change-Id: I7d8b0f673051306b90950f64cd4f029389024828

openstack/keystone,openstack/keystone,openstack/keystone,mahak/keystone,mahak/keystone,mahak/keystone