Merge \"Restrict hotspot qs tile to admin user\" into nyc-dev

package com.android.systemui.statusbar.policy;

import android.app.ActivityManager;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.net.ConnectivityManager;

import android.net.wifi.WifiManager;

import android.os.UserManager;

import android.util.Log;

import java.io.FileDescriptor;

    @Override

    public boolean isHotspotSupported() {

        return mConnectivityManager.isTetheringSupported()

                && mConnectivityManager.getTetherableWifiRegexs().length != 0;

                && mConnectivityManager.getTetherableWifiRegexs().length != 0

                && UserManager.get(mContext).isUserAdmin(ActivityManager.getCurrentUser());

    }

    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {