code: public GeoPoint getCloseTo(GeoPoint point, double tolerance, MapView mapView) {
          return mOutline.getCloseTo(point, tolerance, mapView.getProjection(), false);
      }
docs: @since 6.0.3
  Detection is done is screen coordinates.
  
  @param point
  @param tolerance in pixels
  @return the first GeoPoint of the Polyline close enough to the point