[roll] Roll fuchsia Reland "[fx][goma] Use fx-command-exec"

This reverts commit 10762e10fcea91a5ca1ae8fb61e0cb7e405fd209.

Reason for revert: relanding with s/fx-command-exec/fx-command/run/.

Original change's description:
> Revert "[fx][goma] Use fx-command-exec"
>
> This reverts commit 559066248ea8a3543beb82743172acdfb495c87f.
>
> Reason for revert: Causing fx goma failure
>
> Original change's description:
> > [fx][goma] Use fx-command-exec
> >
> > I don't entirely understand why, but this change allows this script to
> > identify the correct compiler_proxy instance when more than one is
> > running (e.g. one for chromium and one for fuchsia) when the script is
> > run from outside the fuchsia tree, such as when using chromium's
> > //src/tools/fuchsia/local-sdk.py.
> >
> > https://crsrc.org/c/tools/fuchsia/local-sdk.py;l=1;drc=73e547eb7cc9136dc9f58e6eac35b5abc01da761
> > Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/871177
>
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/876880

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/877497
Original-Revision: fd976bcfae1bf972163405fe30b72e6e030ee6cd
GitOrigin-RevId: 8afd4f96b8d0a9612017ba252c48c38b47c5e05a
Change-Id: Id5bc499569df8b56818114f96bc91a264fc28411