autotest: Set SERVO_HOST_ISSUE state when fail start servod

Cherry picked from labpack change http://crrev.com/c/2847516.

target DUT 6-16-17-1

BUG=b:184868548
TEST=run local repair on good and bad DUTs

Change-Id: If93890bf5f58dada7b043aa198dce6f4f9969f55
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/labpack/+/2847516
Tested-by: Otabek Kasimov <otabek@google.com>
Commit-Queue: Otabek Kasimov <otabek@google.com>
Reviewed-by: Garry Wang <xianuowang@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/2864648
Auto-Submit: Otabek Kasimov <otabek@google.com>
diff --git a/server/hosts/servo_constants.py b/server/hosts/servo_constants.py
index 33c46b2..9120a8a 100644
--- a/server/hosts/servo_constants.py
+++ b/server/hosts/servo_constants.py
@@ -52,6 +52,7 @@
 SERVO_STATE_MISSING_CONFIG = 'MISSING_CONFIG'
 SERVO_STATE_WRONG_CONFIG = 'WRONG_CONFIG'
 SERVO_STATE_NO_SSH = 'NO_SSH'
+SERVO_STATE_SERVO_HOST_ISSUE = 'SERVO_HOST_ISSUE'
 SERVO_STATE_NOT_CONNECTED = 'NOT_CONNECTED'
 SERVO_STATE_NEED_REPLACEMENT = 'NEED_REPLACEMENT'
 SERVO_STATE_CR50_CONSOLE_MISSING = 'CR50_CONSOLE_MISSING'