Quotes were around the entire list of emails instead of around
individual ones.

Change-Id: Ice783622eb31981f606f49f57984a15771ace995
Bug: None
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2159290
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>