public GifRequestBuilder<ModelType> transformFrame(Transformation<Bitmap>... bitmapTransformations) {
        return transform(toGifTransformations(bitmapTransformations));
    }
Transforms each frame of the GIF using the given transformations.

@see #fitCenter()
@see #centerCrop()
@see #transformFrame(BitmapTransformation...)
@see #transform(Transformation[])

@param bitmapTransformations The transformations to apply in order to each frame.
@return This request builder.
core/src/main/java/com/bumptech/glide/GifRequestBuilder.java