proto: Add hardware state HARDWARE_NOT_DETECTED.

The state will use when USB is not detected on the servo to distiguige
cases when we cannot detect USB and when USB is detect as bad by running
the verifiers.

BUG=b:167439227
TEST=None

Change-Id: Iaeffea79364a377231a6aaed98c99bae3b7164e5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2389004
Tested-by: Otabek Kasimov <otabek@google.com>
Commit-Queue: Otabek Kasimov <otabek@google.com>
Reviewed-by: Xixuan Wu <xixuan@chromium.org>
2 files changed