[Policy] Surface Info and Warning details on mobile

Currently only the desktop version of policy page surfaces Info and Warning description.
The proposed change will make them visible on Android and iOS as well.

screenshots: https://drive.google.com/file/d/1cemA8oL1qoqbBth_hm1_IeSRw8AQZ2Hp/view?usp=sharing

R=esalma@google.com

Change-Id: Ib2c0f6a8640d4f666e493ba5f46633b2226c6ee1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4672501
Reviewed-by: Fabio Tirelo <ftirelo@chromium.org>
Commit-Queue: Aryan Kaushik <aryankaushik2023@gmail.com>
Reviewed-by: Salma Elmahallawy <esalma@google.com>
Cr-Commit-Position: refs/heads/main@{#1169400}