packages/SystemUI/res-keyguard/layout/keyguard_clock_presentation.xml

<?xml version="1.0" encoding="utf-8"?><!--
**
** Copyright 2023, 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.
*/
-->

<androidx.constraintlayout.widget.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/presentation"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <com.android.keyguard.KeyguardStatusView
        android:id="@+id/clock"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_gravity="center"
        android:orientation="vertical"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintDimensionRatio="1:1"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">


        <include
            android:id="@+id/keyguard_clock_container"
            layout="@layout/keyguard_clock_switch"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"/>
    </com.android.keyguard.KeyguardStatusView>

</androidx.constraintlayout.widget.ConstraintLayout>