Reland "Remove arm64 artifacts from windows host engine build."

This reverts commit 91f8912c0286b7f527336ef5eef0274961a47371.

Reason for revert: This CL was not causing the the arm64 failures. The code being removed is on windows paths and tests run only on linux.

Original change's description:
> Revert "Remove arm64 artifacts from windows host engine build."
>
> This reverts commit 6611fe388c0de9baee0a6a89778d3ab95d374654.
>
> Reason for revert: Builds were removed but not the tests.
>
> Original change's description:
> > Remove arm64 artifacts from windows host engine build.
> >
> > These builds are duplicated in Windows windows_arm_host_engine.
> >
> > Bug: https://github.com/flutter/flutter/issues/125262
> > Change-Id: I3171471be2af199a721e261f66967a131443f186
> > Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/42340
> > Reviewed-by: Christopher Fujino <fujino@google.com>
> > Commit-Queue: Godofredo Contreras <godofredoc@google.com>
>
> TBR=zra@google.com,godofredoc@google.com,flutter-scoped@luci-project-accounts.iam.gserviceaccount.com,fujino@google.com
>
> Change-Id: I797b3e2c1c980116c10655637896f27dd8152040
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: https://github.com/flutter/flutter/issues/125262
> Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/42400
> Reviewed-by: Godofredo Contreras <godofredoc@google.com>
> Commit-Queue: Godofredo Contreras <godofredoc@google.com>

# Not skipping CQ checks because this is a reland.

Bug: https://github.com/flutter/flutter/issues/125262
Change-Id: Ic947d53c2b18dd84bf1be56977aeba6128656835
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/42420
Reviewed-by: Zach Anderson <zra@google.com>
Reviewed-by: Godofredo Contreras <godofredoc@google.com>
Commit-Queue: Godofredo Contreras <godofredoc@google.com>