Revert "Bind to all interfaces for chrome.dial."

We suspect that crrev.com/227854 may be responsible for a regression in DIAL discovery.

TBR=mfoltz
BUG=315258

Review URL: https://codereview.chromium.org/63083003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233581 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233581