Model switcher

Added model selector to swap between several different models on the fly.

selfdrive/frogpilot/functions/frogpilot_functions.py

@@ -7,6 +7,8 @@ from openpilot.system.hardware import HARDWARE
 
 params_memory = Params("/dev/shm/params")
 
+DEFAULT_MODEL = "los-angeles"
+
 CITY_SPEED_LIMIT = 25
 CRUISING_SPEED = 5  # Roughly the speed cars go when not touching the gas while in drive
 PROBABILITY = 0.6   # 60% chance of condition being true