sdk/platforms/android-27/data/res/layout/accessibility_button_chooser_item.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/*
** Copyright 2017, 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:orientation="vertical"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:minWidth="80dp"
              android:gravity="center"
              android:paddingTop="8dp"
              android:paddingBottom="8dp"
              android:background="?attr/selectableItemBackgroundBorderless">

    <ImageView android:id="@+id/accessibility_button_target_icon"
               android:layout_width="48dp"
               android:layout_height="48dp"
               android:layout_marginLeft="3dp"
               android:layout_marginRight="3dp"
               android:layout_marginBottom="3dp"
               android:scaleType="fitCenter"/>

    <TextView android:id="@+id/accessibility_button_target_label"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:layout_marginTop="8dp"
              android:layout_marginLeft="4dp"
              android:layout_marginRight="4dp"
              android:textAppearance="?attr/textAppearanceSmall"
              android:textColor="?attr/textColorPrimary"
              android:textSize="12sp"
              android:fontFamily="sans-serif-condensed"
              android:gravity="top|center_horizontal"
              android:minLines="2"
              android:maxLines="2"
              android:ellipsize="marquee"/>
</LinearLayout>