test_platform: add cros inventory service field

skylab_local_state will get dut info from inventory V2 service instead
of crosskylabadmin.

BUG=chromium:1056474
TEST=None

Change-Id: I3853d5eaf71a964c3810785c1a37523f302c754c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2284393
Reviewed-by: Alex Zamorzaev <zamorzaev@chromium.org>
Reviewed-by: Eshwar Narayan <eshwarn@chromium.org>
Tested-by: Eshwar Narayan <eshwarn@chromium.org>
Commit-Queue: Eshwar Narayan <eshwarn@chromium.org>
4 files changed