SecondaryDisplayLauncher/AndroidManifest.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.
*/
-->
<manifest
    xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.android.launcher3">

    <application>

        <activity
            android:name="com.android.launcher3.SecondaryDisplayLauncher"
            android:theme="@style/SecondaryLauncherTheme"
            android:launchMode="singleTop"
            android:configChanges="orientation|screenSize|smallestScreenSize|screenLayout|colorMode|density"
            android:enabled="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.SECONDARY_HOME" />
                <category android:name="android.intent.category.DEFAULT" />
            </intent-filter>
        </activity>

    </application>
</manifest>