Changed admin-openrc from DOMAIN_ID to DOMAIN_NAME

OpenStack used to used DOMAIN_ID and has switched to DOMAIN_NAME.

TrivialFix

Change-Id: Ibb0574f9267a3bc276304c8079cb230068a13273

ansible/roles/common/templates/admin-openrc.sh.j2

-export OS_PROJECT_DOMAIN_ID=default
-export OS_USER_DOMAIN_ID=default
+export OS_PROJECT_DOMAIN_NAME=default
+export OS_USER_DOMAIN_NAME=default
 export OS_PROJECT_NAME=admin
 export OS_TENANT_NAME=admin
 export OS_USERNAME=admin