Sc001: Enable glance image import methods
Sc001: Enable glance image import methods

Support of enabling image import methods was added in [1]
Enabling this parameter in sc001 to test this feature in CI

[1]: https://review.opendev.org/c/openstack/tripleo-heat-templates/+/567667

Change-Id: Ifa588f0017bf6ecda6d5489308615d389ed0a84f

openstack/tripleo-heat-templates,openstack/tripleo-heat-templates