[roll] Roll fuchsia Reland "Reland "[assembly] Remove pkgfs allowlist""

This reverts commit d0478e8cb128acc428f539ccd91a4bc5aa0a165c.

Reason for revert: Was not the culprit.

Original change's description:
> Revert "Reland "[assembly] Remove pkgfs allowlist""
>
> This reverts commit c2c32ed0cf53715cba56adb49055b4d6a9abd478.
>
> Reason for revert: The signing server change was not sufficient to address this issue.
>
> Original change's description:
> > Reland "[assembly] Remove pkgfs allowlist"
> >
> > This reverts commit f0a710fc1bf9e9e6ee79d3c9072f092edb3102b8.
> >
> > Reason for revert: Signing server has been updated.
> >
> > Original change's description:
> > > Revert "[assembly] Remove pkgfs allowlist"
> > >
> > > This reverts commit 166889eb349f1c12212532c77944b8c34f8292d6.
> > >
> > > Reason for revert: Signing server fails since it still expects a golden file. Reverting so we can unblock test team. Signing server fix being tracked in b/300044411
> > >
> > > Original change's description:
> > > > [assembly] Remove pkgfs allowlist
> > > >
> > > > This allowlist is always empty and never read, therefore it can be
> > > > deleted.
> > > >
> > > > Original-Bug: b/299807904
> > > > Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/913960
> > >
> > > Original-Bug: b/299807904
> > > Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/915817
> >
> > Original-Bug: b/299807904
> > Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/921695
>
> Original-Bug: b/299807904
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/922336

Original-Bug: b/299807904
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/922834
Original-Revision: 55261c4ad00cbb492819e9b2a3352498a51e6714
GitOrigin-RevId: 4327d5799bdc776c60c3d0c77408d127976d2179
Change-Id: Iab58e0ed8a11cb19937b843e54e8df007c7659bc