Parse reset status from daisydog output

Instead of parsing the kernel logs (which is fragile and may change
between platforms and/or kernel versions), just use the output of
daisydog -c to check the reset status.

BUG=chrome-os-partner:28558
TEST=Watchdog events are now reported on Nyan

Change-Id: I38aaa42cafc99f58aeeb74b26d78dfdec96d27d6
Reviewed-on: https://chromium-review.googlesource.com/198271
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Andrew Bresticker <abrestic@chromium.org>
Tested-by: Andrew Bresticker <abrestic@chromium.org>
1 file changed