[roll] Roll fuchsia Reland "[assembly] Support A/B recovery in update package"

This reverts commit cb0134c3503bf96afc4fcc64b47d82f8d1ff19a4.

Reason for revert: Rebasing on top of the fix

Original change's description:
> Revert "[assembly] Support A/B recovery in update package"
>
> This reverts commit cd6500ab0f4579afc99797f6ce1cbe46ced797c7.
>
> Reason for revert: failures in CI, for example
> https://luci-milo.appspot.com/ui/p/fuchsia/builders/global.ci/core.arm64-fuzz_ubsan-build_only/b8718490955228445105/overview
>
> Original change's description:
> > [assembly] Support A/B recovery in update package
> >
> > It also now checks whether there's a recovery partition if we built
> > recovery images.
> >
> > Change-Id: If364761b92be3dc5a90fa25f7b7f49dc097144cb
> > Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1243985
> > Commit-Queue: Sen Jiang <senj@google.com>
> > Reviewed-by: Aidan Wolter <awolter@google.com>
>
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Change-Id: I898d7c2cb561ced04bd817061784fcf92114790d
> Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1245584
> 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/+/1245585
Original-Revision: 6ffbeab3ca52f33342627c31e04887ffb4388106
GitOrigin-RevId: e0576967e8e62ee6be132b2110d344fc756b46b1
Change-Id: I30d7daa4af27d37379fa18a39581f9ec46e59479