code: public GenericDraweeHierarchyBuilder setProgressBarImage(
        int resourceId, @Nullable ScalingUtils.ScaleType progressBarImageScaleType) {
      mProgressBarImage = mResources.getDrawable(resourceId);
      mProgressBarImageScaleType = progressBarImageScaleType;
      return this;
    }
docs: Sets the progress bar image and its scale type.
  
  @param resourceId an identifier of an Android drawable or color resource
  @param progressBarImageScaleType scale type for the progress bar image
  @return modified instance of this builder