Enabling 'cinder_use_multipath' if cinder multipath is enabled
Enabling 'cinder_use_multipath' if cinder multipath is enabled

Currently,'cinder_use_multipath' parameters' is disabled in glance-api.conf,
when cinder multipath is enabled.

Enabling 'cinder_use_multipath' when multipath is enabled.

Depends-On: Ic2c86e6a890b58ca7703ea3a3147c8d4ecf13953
Change-Id: I03e042b9684e6bdd8c277066776df23d2eb84ecd

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