segment regen: handle log rotation discrepencies

selfdrive/test/process_replay/regen.py

@@ -31,7 +31,9 @@ def replay_service(s, msgs):
   pm = messaging.PubMaster([s, ])
   rk = Ratekeeper(service_list[s].frequency, print_delay_threshold=None)
   smsgs = [m for m in msgs if m.which() == s]
+  while True:
     for m in smsgs:
+      # TODO: use logMonoTime
       pm.send(s, m.as_builder())
       rk.keep_time()