Register touch-swarming with Milo.
Register touch-swarming with Milo.

BUG=658816
R=hinoka@chromium.org

Review-Url: https://codereview.chromium.org/2740463002

luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go