lucifer: Fix prejob proto

I was confused in crrev.com/c/1772074. Of course the provisionable
labels are not what is currently on the DUT but what we want installed
onto the DUT instead.

The proto is safe to modify because it is not used anywhere.

BUG=chromium:974054
TEST=./generate.sh

Change-Id: Ia7bb26e7b71829ce726838da8639e25f98c59047
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/1802874
Tested-by: Alex Zamorzaev <zamorzaev@chromium.org>
Auto-Submit: Alex Zamorzaev <zamorzaev@chromium.org>
Reviewed-by: Aviv Keshet <akeshet@chromium.org>
Commit-Queue: Alex Zamorzaev <zamorzaev@chromium.org>
3 files changed