Add octaviaclient cross job
Add octaviaclient cross job

octaviaclient PDF file should show the version numbers, let's check
that.

Depends-On: https://review.opendev.org/729027
Change-Id: I09dec7c16c239d1eeae738b54d9c699eb7f461c5

openstack/openstackdocstheme,openstack/openstackdocstheme,openstack/openstackdocstheme,openstack/openstackdocstheme