added bearing to matching with uncertinty 30

src/osrm_helper.h

@@ -19,6 +19,15 @@ inline void MatchParameters_Add(MatchParameters *params, Location l) {
   params->coordinates.push_back({util::FloatLongitude{l.longitude}, util::FloatLatitude{l.latitude}});
   params->timestamps .push_back(l.time);
   params->radiuses   .push_back(radius);
+  
+  // @Note: Should be replaced by bearing_accuracy that is coming from android
+  //        for better resutls.
+  short bearing_range = 30; // ±30 degrees tolerance
+
+  params->bearings.push_back(osrm::engine::Bearing{
+    static_cast<short>(l.bearing),
+    bearing_range
+  });
 }
 
 inline void RouteParameters_Init(RouteParameters *params) {