chromeos-init: rsyslog: include PID in log messages

Including timestamps will make it more obvious when messages
come from different instances of a program. In particular,
this will be useful in cases where a daemon restarts.

BUG=chromium:387206
TEST=manual

Manual test
-----------
1. boot with new config file installed
2. grep shill /var/log/net.log | tail -1
3. observer that log line includes shill's process id

Change-Id: I35fe6fa71e108d2a9e8156c9af4e300cdd3b9462
Reviewed-on: https://chromium-review.googlesource.com/204961
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: mukesh agrawal <quiche@chromium.org>
Commit-Queue: mukesh agrawal <quiche@chromium.org>
1 file changed