Use new policies to control Device Attributes API access.

This commit introduces managing the access to the Device Attributes API
with the Content Settings infrastructure.

Bug: 372467879
Change-Id: I4d4faf276ab7571c4aa4284220668db91d08336f
Low-Coverage-Reason: COVERAGE_UNDERREPORTED
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6632823
Reviewed-by: Sergii Bykov <sbykov@google.com>
Reviewed-by: Victor Gabriel Savu <vsavu@google.com>
Reviewed-by: Martin Šrámek <msramek@chromium.org>
Commit-Queue: Patryk Chodur <pchodur@google.com>
Reviewed-by: Robbie McElrath <rmcelrath@chromium.org>
Reviewed-by: Owen Min <zmin@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1494516}