13f121ad20
These jobs often fail due to timeouts so only enable the services required for devstack tests with these back ends. Change-Id: Ib620ec3c2a9999ea9908a7c23aa7172c40a4cbd9 (cherry picked from commit f096d1145c7b14fae2c666b8d088574e570bffd4) (cherry picked from commit a950ce0da5cc0e0757a82d921ca38be557c0bbfc)