* Delete AAP nh refcount upon deactivation of AAP route
* Delete AAP nh refcount upon deactivation of AAP route

It may so happen that AAP entry might not be erased
due to interface already being deactivated.
Closes-bug:#1609510

Change-Id: I2dc2c7ee14d6e55a116bb6a5ee21588cbe9af794

tcpcloud/contrail-controller,tcpcloud/contrail-controller,tcpcloud/contrail-controller,tcpcloud/contrail-controller,tcpcloud/contrail-controller,tcpcloud/contrail-controller