[roll] Roll fuchsia Reland "[fidl][python] Add golden tests and formatter"

This reverts commit ef2a510ee0222a7f5e9cb4a07c0eaacf6e1127f8.

Reason for revert: Updated goldens at TOT

Original change's description:
> Revert "[fidl][python] Add golden tests and formatter"
>
> This reverts commit 2ad2236c8d5b0c10aced3a26c52db7e34df85b09.
>
> Reason for revert: golden file mismatches in CI, for example: https://luci-milo.appspot.com/ui/p/fuchsia/builders/global.ci/core.arm64-fuzz_ubsan-build_only/b8718749818323617777/overview
>
> Original change's description:
> > [fidl][python] Add golden tests and formatter
> >
> > fidlgen_python now includes golden files and its output is formatted
> > with black.
> >
> > This change also fixes up some whitespace handling for comments.
> >
> > Original-Fixed: 394425332, 394423190, 308723467
> > Change-Id: I315d5630efa487fd9e90f7e56f46b881aada8708
> > Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1241424
> > Reviewed-by: Ian McKellar <ianloic@google.com>
> > Fuchsia-Auto-Submit: Charles Celerier <chcl@google.com>
> > Commit-Queue: Auto-Submit <auto-submit@fuchsia-infra.iam.gserviceaccount.com>
> > Reviewed-by: Marc Khouri <mnck@google.com>
> > Reviewed-by: Christopher Johnson <crjohns@google.com>
>
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Change-Id: I40395cd9b9dedcb03f54a734310b6995396d9e8b
> Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1241869
> Reviewed-by: RubberStamper 🤖 <android-build-ayeaye@system.gserviceaccount.com>
> Commit-Queue: Thomas Gales <tgales@google.com>

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1242385
Original-Revision: 9766072a8e00c89e035e17ef15df091e61f878d5
GitOrigin-RevId: 78f93c7a387ad17f57393b91da5dc3fc87567f04
Change-Id: I0beeff3eca3ece723f42c0875da524806a020cbc