Set rootwrap_config in cinder.conf sample.
Set rootwrap_config in cinder.conf sample.

Remove the root_helper=sudo in cinder.conf.sample and
move to the rootwrap_config=/etc/cinder/rootwrap.conf as
the default.

Change-Id: Ib4bacf4d24993cb9506b51523a5ba44fe1f85d18

dims/cinder,Datera/cinder,cloudbase/cinder,ntt-sic/cinder,manojhirway/ExistingImagesOnNFS,winndows/cinder,scality/cinder,spring-week-topos/cinder-week,ge0rgi/cinder,nexusriot/cinder,j-griffith/cinder,petrutlucian94/cinder,Thingee/cinder,manojhirway/ExistingImagesOnNFS,inkerra/cinder,Nexenta/cinder,julianwang/cinder,abusse/cinder,julianwang/cinder,takeshineshiro/cinder,nikesh-mahalka/cinder,duhzecca/cinder,potsmaster/cinder,leilihh/cinder,rickerc/cinder_audit,nexusriot/cinder,phenoxim/cinder,Datera/cinder,alex8866/cinder,Thingee/cinder,tlakshman26/cinder-https-changes,Nexenta/cinder,openstack/cinder,bswartz/cinder,Akrog/cinder,duhzecca/cinder,tlakshman26/cinder-new-branch,spring-week-topos/cinder-week,dims/cinder,NetApp/cinder,rakeshmi/cinder,redhat-openstack/cinder,NetApp/cinder,redhat-openstack/cinder,sasukeh/cinder,blueboxgroup/cinder,cloudbase/cinder,github-borat/cinder,leilihh/cinder,tlakshman26/cinder-new-branch,alex8866/cinder,tlakshman26/cinder-https-changes,JioCloud/cinder,Paul-Ezell/cinder-1,maelnor/cinder,sasukeh/cinder,bswartz/cinder,NeCTAR-RC/cinder,scottdangelo/RemoveVolumeMangerLocks,Accelerite/cinder,j-griffith/cinder,saeki-masaki/cinder,rickerc/cinder_audit,eharney/cinder,Accelerite/cinder,rakeshmi/cinder,maelnor/cinder,Hybrid-Cloud/cinder,openstack/cinder,hguemar/cinder,inkerra/cinder,apporc/cinder,ntt-sic/cinder,blueboxgroup/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,eharney/cinder,hguemar/cinder,phenoxim/cinder,mahak/cinder,JioCloud/cinder,potsmaster/cinder,NeCTAR-RC/cinder,apporc/cinder,Paul-Ezell/cinder-1,nikesh-mahalka/cinder,Thingee/cinder,scottdangelo/RemoveVolumeMangerLocks,winndows/cinder,mahak/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,cloudbau/cinder,Hybrid-Cloud/cinder,CloudServer/cinder,saeki-masaki/cinder,petrutlucian94/cinder,cloudbau/cinder,abusse/cinder,CloudServer/cinder,Akrog/cinder,takeshineshiro/cinder,scality/cinder,github-borat/cinder