Move c-ares to chromiumos-overlay.

BUG=chromium:649040
TEST=Trybots

Change-Id: Ie5c848f6f385fff22b3fde4f9efdc863afc3fdf1
Reviewed-on: https://chromium-review.googlesource.com/388105
Commit-Ready: Ricky Zhou <rickyz@chromium.org>
Tested-by: Ricky Zhou <rickyz@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
(cherry picked from commit 0b4999a4d24aababaad322e65e422b8cffbe4eaa)
Reviewed-on: https://chromium-review.googlesource.com/389532
Commit-Queue: Ricky Zhou <rickyz@chromium.org>
Reviewed-by: Ricky Zhou <rickyz@chromium.org>
4 files changed