shared/auto/overlay/frameworks/base/core/res/res/values/config.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/*
** Copyright 2018, 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.
*/
-->

<!--
  Overlay resources to configure car service based on each OEM's preference.
  See also packages/services/Car/service/res/values/config.xml
-->
<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
    <!-- Enable multi-user. -->
    <bool name="config_enableMultiUserUI" translatable="false">true</bool>
    <!-- If true, all guest users created on the device will be ephemeral. -->
    <bool name="config_guestUserEphemeral" translatable="false">true</bool>
    <!--  Maximum number of users allowed on the device. -->
    <integer name="config_multiuserMaximumUsers" translatable="false">4</integer>
    <!-- Restricting eth1 -->
    <string-array translatable="false" name="config_ethernet_interfaces">
        <item>eth1;11,12,14;;</item>
    </string-array>
    <!-- Car uses hardware amplifier for volume. -->
    <bool name="config_useFixedVolume">true</bool>
    <!--
      Handle volume keys directly in CarAudioService without passing them to the foreground app
    -->
    <bool name="config_handleVolumeKeysInWindowManager">true</bool>

    <!-- Show the "Adaptive Brightness" toggle. -->
    <bool name="config_automatic_brightness_available">true</bool>
</resources>