* Set tunnel for vlan route to mpls only, if vxlan was enabled
  then agent was publishing the route with mpls label 0.

Change-Id: I603afa62a384a82e66e343280641816adbaf5e3a
Merge "* Set tunnel for vlan route to mpls only, if vxlan was enabled   then agent was publishing the route with mpls label 0." into R1.10