Port LeftHand driver to use ABCMeta driver model
Port LeftHand driver to use ABCMeta driver model

Use new ABCMeta driver model for LeftHand driver.
Implements: blueprint abc-driver-update

Change-Id: I4acd1cd711b8718340abd08fdabacb2e4b713b73

JioCloud/cinder,Paul-Ezell/cinder-1,openstack/cinder,Nexenta/cinder,sasukeh/cinder,sasukeh/cinder,j-griffith/cinder,nikesh-mahalka/cinder,manojhirway/ExistingImagesOnNFS,tlakshman26/cinder-new-branch,cloudbase/cinder,cloudbase/cinder,Datera/cinder,nexusriot/cinder,Hybrid-Cloud/cinder,winndows/cinder,NetApp/cinder,duhzecca/cinder,CloudServer/cinder,Hybrid-Cloud/cinder,nexusriot/cinder,tlakshman26/cinder-https-changes,petrutlucian94/cinder,scottdangelo/RemoveVolumeMangerLocks,NetApp/cinder,leilihh/cinder,takeshineshiro/cinder,phenoxim/cinder,leilihh/cinder,eharney/cinder,mahak/cinder,duhzecca/cinder,scottdangelo/RemoveVolumeMangerLocks,j-griffith/cinder,apporc/cinder,bswartz/cinder,dims/cinder,Nexenta/cinder,winndows/cinder,phenoxim/cinder,bswartz/cinder,scality/cinder,eharney/cinder,CloudServer/cinder,apporc/cinder,openstack/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,takeshineshiro/cinder,potsmaster/cinder,mahak/cinder,potsmaster/cinder,tlakshman26/cinder-https-changes,Paul-Ezell/cinder-1,scality/cinder,manojhirway/ExistingImagesOnNFS,JioCloud/cinder,petrutlucian94/cinder,tlakshman26/cinder-new-branch,ge0rgi/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,nikesh-mahalka/cinder,dims/cinder,Datera/cinder