cinder transfer-list is missing the --all-tenants option, which makes
it inconsistent with 'cinder list'. Without this fix, when running as
admin horizon will need to make multiple queries to cinder (one for
each tenant present in the volume list) in order to display the transfers
that exist for the volumes being shown.
Change-Id: Ic4d72a54c450876ff24c64efd83678062c93a24e
Closes-bug: 1351084