842492ccf6
This replaces the provider implementation of octavia_config type so
that MultiStrOpt, which is used by several options like
- oslo_messaging_notifications/driver
- oslo_policy/policy_dirs
are handled correctly.
Change-Id: Ic8da2858b4c512d31ebbf78a128367d152cf7616
(cherry picked from commit 54eea2b3e8)