chromium/chrome/android/java/res/layout/autofill_billing_address_dropdown.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2016 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->

<merge xmlns:android="http://schemas.android.com/apk/res/android">
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="@dimen/pref_autofill_field_top_margin"
        android:layout_marginStart="@dimen/pref_autofill_field_horizontal_padding"
        android:layout_marginEnd="@dimen/pref_autofill_field_horizontal_padding"
        android:labelFor="@+id/autofill_credit_card_editor_billing_address_spinner"
        android:textAppearance="@style/TextAppearance.TextSmall.Secondary"
        android:text="@string/autofill_credit_card_editor_billing_address" />

    <androidx.appcompat.widget.AppCompatSpinner
        android:id="@+id/autofill_credit_card_editor_billing_address_spinner"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:minHeight="@dimen/min_touch_target_size"
        android:layout_marginTop="@dimen/pref_autofill_field_top_margin"
        android:layout_marginStart="@dimen/pref_autofill_field_horizontal_padding"
        android:layout_marginEnd="@dimen/pref_autofill_field_horizontal_padding"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:textDirection="locale" />

    <View style="@style/PreferenceSpinnerUnderlineView"
        android:layout_marginStart="@dimen/pref_autofill_field_horizontal_padding"
        android:layout_marginEnd="@dimen/pref_autofill_field_horizontal_padding" />
</merge>