Merge "Simplify FileUtils.stringToFile()."

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.FileWriter;

import java.io.FilenameFilter;

import java.io.IOException;

import java.io.InputStream;

     * @throws IOException

     */

    public static void stringToFile(String filename, String string) throws IOException {

        FileWriter out = new FileWriter(filename);

        try {

            out.write(string);

        } finally {

            out.close();

        }

        bytesToFile(filename, string.getBytes(StandardCharsets.UTF_8));

    }

    /**