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

<?xml version="1.0" encoding="utf-8"?>
<!--
**
** Copyright 2013, 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.
*/
-->

<!-- This is a view that shows general status information in Keyguard. -->
<FrameLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/presentation"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <!-- This is mostly keyguard_status_view.xml with minor modifications -->
    <com.android.keyguard.KeyguardStatusView
        android:id="@+id/clock"
        android:orientation="vertical"
        android:layout_width="410dp"
        android:layout_height="wrap_content">
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">
            <include
                layout="@layout/keyguard_clock_switch"
                android:id="@+id/keyguard_clock_container"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
            <ImageView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="@dimen/widget_vertical_padding"
                android:layout_gravity="center_horizontal"
                android:src="@drawable/kg_security_lock_normal" />
        </LinearLayout>
    </com.android.keyguard.KeyguardStatusView>

</FrameLayout>