code: public static final PolylineOptions buildOpenArc(LatLong center, LatLong start, LatLong end) {
          MVCArray res = buildArcPoints(center, start, end);
          return new PolylineOptions().path(res);
      }
docs: Builds the path for an open arc based on a PolylineOptions.
  
  @param center
  @param start
  @param end
  @return PolylineOptions with the paths element populated.