Add brillo to list of allowable bug prefixes

BUG=brillo:7
TEST=linter fine with my autotest change

Change-Id: I15acf1d053ac319bd2273202512545d2e7b70375
Reviewed-on: https://chromium-review.googlesource.com/243316
Tested-by: Christopher Wiley <wiley@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Christopher Wiley <wiley@chromium.org>
1 file changed