GitLab

As per the spec [1], the attestation certificate must have the C, O, OU,
and CN attributes set.

[1] https://w3c.github.io/webauthn/#sctn-packed-attestation-cert-requirements

Fixed: 1035092
Change-Id: Iff61fe93136e45a0e20d42a0a08ddf5c34f0bc4e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1974703Reviewed-by: Adam Langley <agl@chromium.org>
Commit-Queue: Nina Satragno <nsatragno@chromium.org>
Cr-Commit-Position: refs/heads/master@{#726403}