Update notes for submitted changes

* Handle the following sequence of events correctly in Agent UVE code --VM Disassociation from VMI --VM Deletion --VM Addition --VM Reassociation to same VMI (Because VM gets deleted and re-added, store VM UUID instead of VM pointer as metadata on interface entry) Change-Id: If7a2030655ac99e0f7b9ba75b3a56a53ae5d779b