Merge "PackageManager: Avoid creating encoders for appIds being written /config/sdcardfs"

        stringToFile(file.getAbsolutePath(), string);

    }

    /*

     * Writes the bytes given in {@code content} to the file whose absolute path

     * is {@code filename}.

     */

    public static void bytesToFile(String filename, byte[] content) throws IOException {

        try (FileOutputStream fos = new FileOutputStream(filename)) {

            fos.write(content);

        }

    }

    /**

     * Writes string to file. Basically same as "echo -n $string > $filename"

     *

        final File file = new File(dir, "appid");

        try {

            FileUtils.stringToFile(file, Integer.toString(ps.appId));

            // Note that the use of US_ASCII here is safe, we're only writing a decimal

            // number to the file.

            FileUtils.bytesToFile(file.getAbsolutePath(),

                    Integer.toString(ps.appId).getBytes(StandardCharsets.US_ASCII));

            mKernelMapping.put(ps.name, ps.appId);

        } catch (IOException ignored) {

        }