Add the ability to HaltStep to execute cold_reboot command before
actually halt.

This is a workaround for trackpad re-calibration.

BUG=None
TEST=Manual

Change-Id: I7a342c590fa2f5fb4908e5655ac7e74f6e3932ab
Reviewed-on: https://gerrit.chromium.org/gerrit/34887
Reviewed-by: Jay Kim <yongjaek@chromium.org>
Tested-by: Jay Kim <yongjaek@chromium.org>
2 files changed