Tools: Dump drive event time as header time.

modules/tools/rosbag/dump_road_test_log.py

@@ -49,7 +49,7 @@ class EventDumper(object):
             for msg in reader.read_messages():
                 if msg.topic == kEventTopic:
                     drive_event.ParseFromString(msg.message)
-                    msg_time = time.localtime(msg.timestamp/long(1e9))
+                    msg_time = time.localtime(drive_event.header.timestamp_sec)
                     f.write(time.strftime("%Y-%m-%d %H:%M:%S", msg_time))
                     f.write(str(drive_event.type)+":")
                     f.write(drive_event.event.encode('utf-8')+'\n')