tree df4afb22dd1baf3eaac16d9d797f20d7b753e1da
parent 21a59b87b2d24d60de0144b033520d905eed134e
author Casey Dahlin <sadmac@google.com> 1471988908 -0700
committer Casey Dahlin <sadmac@google.com> 1488926752 -0800

Enable mDNS on Darwin

We have to disable IPv6 to get this going, but nobody was yet using
IPv6, so that should be fine for now.

Test: Verified mDNS discovery on a MacBook
Bug: 31042497
(cherry picked from 9ae65de087171072f3890a81b074ae27db319508)

Change-Id: I628f0a1e9c4784db42fa56f5faf2904b6e1cf548