Implement new async response method for controller activity info

package com.android.bluetooth.btservice;

import android.app.AlarmManager;

import android.app.Application;

import android.app.PendingIntent;

import android.app.Service;

import android.bluetooth.BluetoothAdapter;

import android.bluetooth.BluetoothUuid;

import android.bluetooth.IBluetooth;

import android.bluetooth.IBluetoothCallback;

import android.bluetooth.IBluetoothManager;

import android.bluetooth.IBluetoothManagerCallback;

import android.bluetooth.BluetoothActivityEnergyInfo;

import android.bluetooth.OobData;

import android.bluetooth.UidTraffic;

import android.content.BroadcastReceiver;

import android.content.ContentResolver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.os.Process;

import android.os.RemoteCallbackList;

import android.os.RemoteException;

import android.os.ResultReceiver;

import android.os.SystemClock;

import android.provider.Settings;

import android.text.TextUtils;

import android.util.Base64;

import android.util.EventLog;

import android.util.Log;

import android.util.Pair;

import android.util.SparseArray;

import com.android.bluetooth.a2dp.A2dpService;

import com.android.bluetooth.hid.HidService;

import com.android.bluetooth.hfp.HeadsetService;

import com.android.bluetooth.hfpclient.HeadsetClientService;

import com.android.bluetooth.hdp.HealthService;

import com.android.bluetooth.pan.PanService;

import com.android.bluetooth.pbapclient.PbapClientService;

import com.android.bluetooth.sdp.SdpManager;

import com.android.internal.R;

import java.io.FileDescriptor;

import java.io.FileOutputStream;

import java.io.FileWriter;

import java.io.IOException;

import java.io.PrintWriter;

import java.nio.charset.StandardCharsets;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.HashMap;

import java.util.Set;

import java.util.Map;

import java.util.Iterator;

import java.util.Map.Entry;

import java.util.List;

import android.content.pm.PackageManager;

import android.os.ServiceManager;

import com.android.internal.app.IBatteryStats;

             return service.reportActivityInfo();

         }

         public void requestActivityInfo(ResultReceiver result) {

             Bundle bundle = new Bundle();

             bundle.putParcelable(BatteryStats.RESULT_RECEIVER_CONTROLLER_KEY,

                     reportActivityInfo());

             result.send(0, bundle);

         }

        public void onLeServiceUp(){

             AdapterService service = getService();

             if (service == null) return;