luci-notify: Address nits from CL:963480
luci-notify: Address nits from CL:963480

I got in a rush and submitted CL:963480 without addressing the final
nits. Cleaning them up here.

BUG=chromium:816652

Change-Id: Iab46fdd5e02bda1f619d989e8f897257b7dc52ca
Reviewed-on: https://chromium-review.googlesource.com/967404
Reviewed-by: Nodir Turakulov <ef4933a197ef7b4b3f55f1bec4942aead3637a2a@chromium.org>
Commit-Queue: Don Garrett <546ec366615570e68497e3c5df9092106a9808f4@chromium.org>

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