This is follow-up of I8438bedaf7cead452fc499e484d23690b48894d9 and
ensures the OPENSTACK_ENDPOINT_TYPE parameter is used when
OPENSTACK_KEYSTONE_ENDPOINT_TYPE is not set. This avoids backward-
incompatible change which affects deployments with endpoint type set
to non-default values.
Co-Authored-By: Akihiro Motoki <amotoki@gmail.com>
Change-Id: I94d2d3e31fc0103773fb5d3ed2f5f792e8851f78