Add Hans, Nico, and Reid to the clang roll watchlist
Add Hans, Nico, and Reid to the clang roll watchlist

I didn't know there was a roll yesterday, and I figure you guys would
like to know about all clang rolls as well.

R=thakis@chromium.org,hans@chromium.org
BUG=
NOTRY=True

Review-Url: https://codereview.chromium.org/1952433003
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#391558}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk