Back-port ag/2491664

    <uses-permission android:name="android.permission.PEERS_MAC_ADDRESS"/>

    <uses-permission android:name="android.permission.MANAGE_NOTIFICATIONS"/>

    <uses-permission android:name="android.permission.DELETE_PACKAGES"/>

    <uses-permission android:name="android.permission.HIDE_NON_SYSTEM_OVERLAY_WINDOWS" />

    <application android:label="@string/settings_label"

            android:icon="@mipmap/ic_launcher_settings"

import android.view.MenuItem;

import android.view.MotionEvent;

import android.view.View;

import android.view.Window;

import android.view.WindowManager;

import android.view.accessibility.AccessibilityManager;

import android.widget.ImageView;

import android.widget.LinearLayout;

import java.util.List;

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

public class ToggleAccessibilityServicePreferenceFragment

        extends ToggleFeaturePreferenceFragment implements DialogInterface.OnClickListener {

                ad.create();

                ad.getButton(AlertDialog.BUTTON_POSITIVE).setOnTouchListener(filterTouchListener);

                Window window = ad.getWindow();

                WindowManager.LayoutParams params = window.getAttributes();

                params.privateFlags |= PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;

                window.setAttributes(params);

                return ad;

            }

            case DIALOG_ID_DISABLE_WARNING: {