code: public boolean setFeatureStyle(MarkerOptions markerOptions, FeatureStyle featureStyle) {
          return StyleUtils.setFeatureStyle(markerOptions, featureStyle, density, iconCache);
      }
docs: Set the feature style (icon or style) into the marker options
  
  @param markerOptions marker options
  @param featureStyle  feature style
  @return true if icon or style was set into the marker options