Don't show "Check passwords" on Android Automotive

Bug: 1472515, b/283533287
Change-Id: Ib411d36fab56b0d923fb8a8d77883d0468124846
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4863986


Reviewed-by: Vasilii Sukhanov <vasilii@chromium.org>
Commit-Queue: Theresa Sullivan <twellington@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1198385}