Rename base.rebuild_server to base.recreate_server

In https://review.openstack.org/#/c/503515/, compute.base.
rebuild_server will be renamed as recreate_server to
distinguish from servers_client.rebuild_server, so this
is to change the helper name in tempest plugin accordingly.

Depends-on: I1589750870dff1a2681192e2f3d151ef18bf4d2a
Change-Id: I142ef812ef56595e8b0c64f1c1d4fe52342ea791
1 file changed