CHROMIUM: Listen for SuspendDone D-Bus signal

Listen for powerd's new SuspendDone signal instead of the
old PowerStateChanged signal.

BUG=chromium:359619
TEST=manual: saw event:cros:handle_suspend_done
     in /var/log/tlsdate.log after suspending and resuming
CQ-DEPEND=I111a68e1903d940c8f06bafa820576fcc71c7f2c

Change-Id: Idc0ad3f178b78876eb4e93485bbf349e023da144
Reviewed-on: https://chromium-review.googlesource.com/194802
Tested-by: Daniel Erat <derat@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Commit-Queue: Daniel Erat <derat@chromium.org>
1 file changed