[autotest] collect crash info before repair starts.

We need to debug reset job failure, as special tasks don't have hooks to
collect crash info, we add this in repair job before repair actually
started.

BUG=chromium:367501
TEST=repair a local dut, make sure crash info are collected.

Change-Id: Ib198d9336c973dc38a2c50d5d9abdb2c574087d2
Reviewed-on: https://chromium-review.googlesource.com/197300
Tested-by: Dan Shi <dshi@chromium.org>
Reviewed-by: Prashanth B <beeps@chromium.org>
Commit-Queue: Dan Shi <dshi@chromium.org>
1 file changed