Revert "Reland "Update bazel to bazel 7""

This reverts commit fc0fd7f1cde10a405930a1f9fc81aefa10effef3.

Reason for revert: Broke our amd64-generic-bazel-snapshot builder.

Original change's description:
> Reland "Update bazel to bazel 7"
>
> This is a reland of commit d302a17159f97e8fce254399cba884b56fda46da
>
> Original change's description:
> > Update bazel to bazel 7
> >
> > BUG=b:304630062
> > TEST=portage/tools/run_tests.sh
> >
> > Change-Id: Ie49d175f56e56858b27753accf43acbb53090f4b
> > Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/bazel/+/5009661
> > Auto-Submit: Matt Stark <msta@google.com>
> > Tested-by: Matt Stark <msta@google.com>
> > Reviewed-by: Tim Bain <tbain@google.com>
> > Commit-Queue: Tim Bain <tbain@google.com>
> > Reviewed-by: Shuhei Takahashi <nya@chromium.org>
>
> Bug: b:304630062
> Change-Id: Id9159524e6d483315a7b5024fa8b854a03648629
> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/bazel/+/5096256
> Auto-Submit: Tim Bain <tbain@google.com>
> Commit-Queue: Tim Bain <tbain@google.com>
> Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
> Commit-Queue: Jack Rosenthal <jrosenth@chromium.org>
> Tested-by: Tim Bain <tbain@google.com>

Bug: b:304630062
Change-Id: I4b82627e34924a555e24a3816ee2bdc8208390f7
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/bazel/+/5097239
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Auto-Submit: Tim Bain <tbain@google.com>
Reviewed-by: Shuhei Takahashi <nya@chromium.org>
Commit-Queue: Tim Bain <tbain@google.com>
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
2 files changed