crash collector: compress udev crash logs

BUG=chrome-os-partner:6492
TEST=Run:
"crash_reporter --udev=ACTION=change:KERNEL=card0:SUBSYSTEM=drm"
Check that a card0-drm log.gz file has been created under /var/spool/crash
Check that the corresponding .meta file points to the log.gz file.

Change-Id: Id1ecc82b9fac118f8bf1e5edc40c3a2f61abd4c4
Signed-off-by: Simon Que <sque@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/21495
Reviewed-by: Ben Chan <benchan@chromium.org>
2 files changed
tree: ebf82c26ffe6a371ed321822e3ae471a25349e84
  1. crash_reporter/