packages/SystemUI/res/layout/contaminant_dialog.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/* //device/apps/common/res/layout/alert_dialog.xml
**
** Copyright 2019, 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.
*/
-->

<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/parentPanel"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical">

    <TextView
        android:id="@+id/title"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingTop="18dp"
        android:paddingBottom="18dp"
        android:textAlignment="center"
        android:fontFamily="google-sans-medium"
        android:textSize="20sp"
        android:textStyle="bold"
        android:textColor="?android:attr/textColorPrimary"/>

    <TextView
        android:id="@+id/message"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingLeft="24dp"
        android:paddingRight="24dp"
        android:paddingBottom="24dp"
        android:textAlignment="center"
        android:textSize="16sp"
        android:fontFamily="roboto-regular"
        android:textColor="?android:attr/textColorPrimary" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:paddingBottom="8dp"
        android:focusable="true">

        <View
            android:layout_width="match_parent"
            android:layout_height="2dp"
            android:background="@android:drawable/divider_horizontal_bright" />

        <TextView
            android:id="@+id/learnMore"
            style="@style/USBContaminant.UserAction" />

        <View
            android:layout_width="match_parent"
            android:layout_height="2dp"
            android:background="@android:drawable/divider_horizontal_bright" />

        <TextView
            android:id="@+id/enableUsb"
            style="@style/USBContaminant.UserAction" />

        <View
            android:layout_width="match_parent"
            android:layout_height="2dp"
            android:background="@android:drawable/divider_horizontal_bright" />

        <TextView
          android:id="@+id/gotIt"
          style="@style/USBContaminant.UserAction" />

    </LinearLayout>
</LinearLayout>