Add support to check biometrics in chromeos authenticator

This CL adds checks for Ash chrome to see biometrics are enabled for a
user. The feature will only be available on ash chrome and there is also
an ash feature flag that gaurds this behavior.

BUG=b:362915479

Change-Id: I15b628b1f551f6346aceddd92adf9c74dfa86bc9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5832745
Reviewed-by: Viktor Semeniuk <vsemeniuk@google.com>
Commit-Queue: Hardik Goyal <hardikgoyal@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1353190}