tree 65e37a47139ea78fbc5744bdd7eb736536054146
parent 81edb0d3347ec35fa7a3a044a5c5359402b0e91c
author Ningyuan Wang <nywang@google.com> 1454365163 -0800
committer Ningyuan Wang <nywang@google.com> 1454449059 -0800

DHCPMessage: support DHCP option 'requested ip address'

This allows the client to request that a particular IP
address be assigned.

Bug: 25642025
TEST=compile and unittes
Change-Id: Icfb44480c79fc8810f6d3c064a6cad8e9b94184d