am 161b3624: Merge "Fix NullpointerException in MediaMetadataRetriever"

     * @throws IllegalArgumentException If the path is invalid.

     */

    public void setDataSource(String path) throws IllegalArgumentException {

        if (path == null) {

            throw new IllegalArgumentException();

        }

        FileInputStream is = null;

        try {

            is = new FileInputStream(path);