DM: update wheeltouch timeouts to match EU guidelines (#23925)

* update time to match 15/30

* add ref

selfdrive/monitoring/driver_monitor.py

@@ -18,8 +18,9 @@ EventName = car.CarEvent.EventName
 class DRIVER_MONITOR_SETTINGS():
   def __init__(self, TICI=TICI, DT_DMON=DT_DMON):
     self._DT_DMON = DT_DMON
-    self._AWARENESS_TIME = 35. # passive wheeltouch total timeout
-    self._AWARENESS_PRE_TIME_TILL_TERMINAL = 12.
+    # ref (page15-16): https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:42018X1947&rid=2
+    self._AWARENESS_TIME = 30. # passive wheeltouch total timeout
+    self._AWARENESS_PRE_TIME_TILL_TERMINAL = 15.
     self._AWARENESS_PROMPT_TIME_TILL_TERMINAL = 6.
     self._DISTRACTED_TIME = 11. # active monitoring total timeout
     self._DISTRACTED_PRE_TIME_TILL_TERMINAL = 8.