improve the code for launching the pdnsd daemon

import org.torproject.android.service.transproxy.TorifiedApp;

import org.torproject.android.service.util.TorServiceUtils;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.PrintStream;

import java.net.InetAddress;

import java.util.ArrayList;

        ArrayList<String> customEnv = new ArrayList<String>();

    	String baseDirectory = filePdnsd.getParent();

        String cmdString = "sh " + filePdnsd.getCanonicalPath() +

        		" -c " + baseDirectory + "/pdnsd.conf";

		Process proc = Runtime.getRuntime().exec(cmdString);

        String[] cmdString = {filePdnsd.getCanonicalPath(),"-c",baseDirectory + "/pdnsd.conf"};

        ProcessBuilder pb = new ProcessBuilder(cmdString);

        pb.redirectErrorStream(true);

		Process proc = pb.start();

		try { proc.waitFor();} catch (Exception e){}

        Log.i(TAG,"PDNSD: " + proc.exitValue());

        if (proc.exitValue() != 0)

        {

            BufferedReader br = new BufferedReader(new InputStreamReader(proc.getInputStream()));

            String line = null;

            while ((line = br.readLine ()) != null) {

                Log.d(TAG,"pdnsd: " + line);

            }

        }

    }

    public static void makePdnsdConf(Context context, String dns, int port, File fileDir) throws FileNotFoundException {

    	ps.print(conf);

    	ps.close();

        //f.withWriter { out -> out.print conf };

        /**

		 *

		 server {

		 label= "upstream";

		 ip = %s;

		 port = %d;

		 uptest = none;

		 }

		 */

        File cache = new File(fileDir,"pdnsd.cache");

        if (!cache.exists()) {