Fix AC-981, mark last_job* fields as read only on the host serializer so activity stream will ignore them when processing events
Fix AC-981, mark last_job* fields as read only on the host serializer so activity stream will ignore them when processing events

wwitzel3/awx,wwitzel3/awx,snahelou/awx,snahelou/awx,wwitzel3/awx,snahelou/awx,wwitzel3/awx,snahelou/awx