Aggressive acceleration with a lead

Added toggle to make the acceleration more aggressive when following a lead.

selfdrive/frogpilot/functions/frogpilot_planner.py

@@ -80,3 +80,4 @@ class FrogPilotPlanner:
 
     longitudinal_tune = params.get_bool("LongitudinalTune")
     self.acceleration_profile = params.get_int("AccelerationProfile") if longitudinal_tune else 0
+    self.aggressive_acceleration = params.get_bool("AggressiveAcceleration") and longitudinal_tune