Enable COIL presubmit for infra/proto

BUG=None
TEST=None

Change-Id: Ie9d6d99443af67d3f1da1e2a7775c0c3f91e650b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2659570
Reviewed-by: Jack Neus <jackneus@google.com>
Reviewed-by: George Engelbrecht <engeg@google.com>
Auto-Submit: Jack Neus <jackneus@google.com>
Commit-Queue: George Engelbrecht <engeg@google.com>
1 file changed