Merge "Hide overlay windows when requesting media projection permission." into pi-dev

package com.android.systemui.media;

import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;

import android.app.Activity;

import android.app.AlertDialog;

import android.content.DialogInterface;

import android.text.TextUtils;

import android.text.style.StyleSpan;

import android.util.Log;

import android.view.Window;

import android.view.WindowManager;

import android.widget.CheckBox;

import android.widget.CompoundButton;

        mDialog.getButton(DialogInterface.BUTTON_POSITIVE).setFilterTouchesWhenObscured(true);

        ((CheckBox) mDialog.findViewById(R.id.remember)).setOnCheckedChangeListener(this);

        mDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);

        final Window w = mDialog.getWindow();

        w.setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);

        w.addPrivateFlags(PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);

        mDialog.show();

    }