@Override
    protected DataFetcher<ParcelFileDescriptor> getAssetPathFetcher(Context context, String assetPath) {
        return new FileDescriptorAssetPathFetcher(context.getApplicationContext().getAssets(), assetPath);
    }
The default factory for {@link FileDescriptorUriLoader}s.
core/src/main/java/com/bumptech/glide/load/model/file_descriptor/FileDescriptorUriLoader.java