agent_build_update() and agent_build_destroy() does not raise exception on updating deleted object

[Sergey Skripnick]

nova.db.sqlalchemy.api.agent_build_update does no raising AgentBuildNotFound on updating deleted object.
Same with agent_build_destroy()

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/29783

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/29783
Committed: http://github.com/openstack/nova/commit/da2638b0e04f77e10b54ca4622e863319896aa53
Submitter: Jenkins
Branch: master

commit da2638b0e04f77e10b54ca4622e863319896aa53
Author: Sergey Skripnick <email address hidden>
Date: Mon May 20 12:03:19 2013 +0300

    Raise AgentBuildNotFound on updating/destroying deleted object

    Methods below should raise an exception when attempting to operate
    with deleted AgentBuild objects:

     nova.db.sqlalchemy.api.agent_build_destroy()
     nova.db.sqlalchemy.api.agent_build_update()

    Fixes: bug 1181967

    Change-Id: If6df202afb7ea41634c35f7a52988e19677f4d65