Roll Chromite from a9fdaf064018 to bfc50e6c9b57 (8 revisions)

https://chromium.googlesource.com/chromiumos/chromite.git/+log/a9fdaf064018..bfc50e6c9b57

2025-01-13 hadrosaur@google.com lib: firmware: Add firmware variant information.
2025-01-11 AI Edition) Engelbrecht utils: Add docstring to prctl.py
2025-01-11 AI Edition) Engelbrecht lib: Fix incorrect log message format
2025-01-11 AI Edition) Engelbrecht format: add period and remove pylint disable
2025-01-11 AI Edition) Engelbrecht scripts: Update docstring for telemetry_poc
2025-01-11 AI Edition) Engelbrecht api: Change docstring to reflect bundle function
2025-01-10 AI Edition) Engelbrecht contrib: Fix DuplicatePackagesException docstring
2025-01-10 AI Edition) Engelbrecht lib: Update TestCase docstring

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/chromite-chromium-autoroll
Please CC chrome-os-gardeners-reviews@google.com,chrome-os-gardeners@google.com,chromeos-velocity@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Chromium: https://bugs.chromium.org/p/chromium/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Cq-Include-Trybots: luci.chrome.try:chromeos-betty-chrome
Tbr: chrome-os-gardeners-reviews@google.com
Change-Id: Ibc19650f21f251fa74377db80e236c17c5ef9f78
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6172640
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1405577}