code: public GenericDraweeHierarchyBuilder setRetryImage(
        Drawable retryDrawable, @Nullable ScalingUtils.ScaleType retryImageScaleType) {
      mRetryImage = retryDrawable;
      mRetryImageScaleType = retryImageScaleType;
      return this;
    }
docs: Sets the retry image and its scale type.
  
  @param retryDrawable drawable to be used as retry image
  @param retryImageScaleType scale type for the retry image
  @return modified instance of this builder