@Override
    public void cancel() {
        // Do nothing.
    }
Opens an input stream for a uri pointing to a local asset. Only certain uris are supported

@see ContentResolver#openInputStream(Uri)

@param context A context (this will be weakly referenced and the load will fail if the weak reference
               is cleared before {@link #loadData(Priority)}} is called.
@param uri A Uri pointing to a local asset. This load will fail if the uri isn't openable by
           {@link ContentResolver#openInputStream(Uri)}
core/src/main/java/com/bumptech/glide/load/data/LocalUriFetcher.java