VPN: fix a CloseGuard warning.

import android.net.LocalSocket;

import android.net.LocalSocketAddress;

import android.os.Binder;

import android.os.FileUtils;

import android.os.IBinder;

import android.os.Parcel;

import android.os.ParcelFileDescriptor;

import com.android.server.ConnectivityService.VpnCallback;

import java.io.File;

import java.io.FileInputStream;

import java.io.InputStream;

import java.io.OutputStream;

import java.nio.charset.Charsets;

                }

                // Now we are connected. Read and parse the new state.

                byte[] buffer = new byte[(int) state.length()];

                if (new FileInputStream(state).read(buffer) != buffer.length) {

                    throw new IllegalStateException("Cannot read the state");

                }

                String[] parameters = new String(buffer, Charsets.UTF_8).split("\n", -1);

                String[] parameters = FileUtils.readTextFile(state, 0, null).split("\n", -1);

                if (parameters.length != 6) {

                    throw new IllegalStateException("Cannot parse the state");

                }