packages/SystemUI/res/values/flags.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2021 The Android Open Source Project
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->

<resources>
    <bool name="are_flags_overrideable">false</bool>

    <bool name="flag_notification_pipeline2">false</bool>
    <bool name="flag_notification_pipeline2_rendering">false</bool>
    <bool name="flag_notif_updates">false</bool>

    <bool name="flag_shade_is_opaque">false</bool>
    <bool name="flag_monet">false</bool>

    <!-- b/171917882 -->
    <bool name="flag_notification_twocolumn">false</bool>

    <bool name="flag_qs_labels">false</bool>

    <!-- AOD/Lockscreen alternate layout -->
    <bool name="flag_keyguard_layout">false</bool>

    <bool name="flag_brightness_slider">false</bool>

    <!-- People Tile flag -->
    <bool name="flag_conversations">false</bool>

    <bool name="flag_toast_style">false</bool>
</resources>