Make cell data usage an array

package com.android.settings;

import com.android.internal.os.BatteryStatsHelper;

import com.android.settings.applications.ProcStatsData;

import com.android.settingslib.net.DataUsageController;

import org.json.JSONException;

import org.json.JSONObject;

import android.app.Service;

import android.content.Intent;

import android.net.ConnectivityManager;

import android.net.NetworkTemplate;

import android.os.IBinder;

import android.os.storage.StorageManager;

import android.os.storage.StorageVolume;

import android.os.storage.VolumeInfo;

import android.telephony.SubscriptionInfo;

import android.telephony.SubscriptionManager;

import android.telephony.TelephonyManager;

import com.android.settings.applications.ProcStatsData;

import com.android.settingslib.net.DataUsageController;

import org.json.JSONArray;

import org.json.JSONException;

import org.json.JSONObject;

import java.io.File;

import java.io.FileDescriptor;

        SubscriptionManager manager = SubscriptionManager.from(this);

        TelephonyManager telephonyManager = TelephonyManager.from(this);

        if (connectivityManager.isNetworkSupported(ConnectivityManager.TYPE_MOBILE)) {

            JSONArray array = new JSONArray();

            for (SubscriptionInfo info : manager.getAllSubscriptionInfoList()) {

                NetworkTemplate mobileAll = NetworkTemplate.buildTemplateMobileAll(

                        telephonyManager.getSubscriberId(info.getSubscriptionId()));

                obj.put("cell(" + info.getSubscriptionId() + ")",

                        dumpDataUsage(mobileAll, controller));

                final JSONObject usage = dumpDataUsage(mobileAll, controller);

                usage.put("subId", info.getSubscriptionId());

                array.put(usage);

            }

            obj.put("cell", array);

        }

        if (connectivityManager.isNetworkSupported(ConnectivityManager.TYPE_WIFI)) {

            obj.put("wifi", dumpDataUsage(NetworkTemplate.buildTemplateWifiWildcard(), controller));