code: public static boolean setFeatureStyle(MarkerOptions markerOptions, FeatureStyle featureStyle, float density) {
          return setFeatureStyle(markerOptions, featureStyle, density, null);
      }
docs: Set the feature style (icon or style) into the marker options
  
  @param markerOptions marker options
  @param featureStyle  feature style
  @param density       display density: {@link android.util.DisplayMetrics#density}
  @return true if icon or style was set into the marker options