-Pick interface admin status from vm interface configuration (part of id-perms attribute) and use it as one of the criteria for evaluating interface's active/inactive status.
-Display admin_state of interface in agent introspect page for interface.
-Add UT
Change-Id: I10127a7711022607c214b2350026be67c8c08898
Merge "-Pick interface admin status from vm interface configuration (part of id-perms attribute) and use it as one of the criteria for evaluating interface's active/inactive status. -Display admin_state of interface in agent introspect page for interface. -Add UT Change-Id: I10127a7711022607c214b2350026be67c8c08898"