Remove Dependency.get usages from HotspotControllerImpl

package com.android.systemui.statusbar.policy;

import static com.android.systemui.Dependency.MAIN_HANDLER_NAME;

import android.app.ActivityManager;

import android.content.Context;

import android.net.ConnectivityManager;

import android.net.wifi.WifiManager;

import android.os.Handler;

import android.os.UserManager;

import android.util.Log;

import com.android.systemui.Dependency;

import java.io.FileDescriptor;

import java.io.PrintWriter;

import java.util.ArrayList;

import javax.inject.Inject;

import javax.inject.Named;

import javax.inject.Singleton;

/**

    private final ArrayList<Callback> mCallbacks = new ArrayList<>();

    private final ConnectivityManager mConnectivityManager;

    private final WifiManager mWifiManager;

    private final Handler mMainHandler;

    private final Context mContext;

    private int mHotspotState;

    /**

     */

    @Inject

    public HotspotControllerImpl(Context context) {

    public HotspotControllerImpl(Context context, @Named(MAIN_HANDLER_NAME) Handler mainHandler) {

        mContext = context;

        mConnectivityManager =

                (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

        mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);

        mMainHandler = mainHandler;

    }

    @Override

        if (shouldListen) {

            mWifiManager.registerSoftApCallback(

                    this,

                    Dependency.get(Dependency.MAIN_HANDLER));

                    mMainHandler);

        } else {

            mWifiManager.unregisterSoftApCallback(this);

        }