add monitoring on resume_instance

[warewang]

The existing monitoring is only at the end of the resume_instance, I think we should add monitoring on both begin and end, it is
very convenient to check problem.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/113759

[OpenStack Infra (hudson-openstack)]

Change abandoned by Sean Dague (<email address hidden>) on branch: master
Review: https://review.openstack.org/113759
Reason: This review is > 4 weeks without comment, and failed Jenkins the last time it was checked. We are abandoning this for now. Feel free to reactivate the review by pressing the restore button and leaving a 'recheck' comment to get fresh test results.

[melanie witt (melwitt)]

This was fixed by https://review.openstack.org/#/c/129458/

[OpenStack Infra (hudson-openstack)]

Change abandoned by warewang (<email address hidden>) on branch: master
Review: https://review.openstack.org/113759