chromium/chrome/browser/ui/android/fast_checkout/internal/java/res/anim/fast_checkout_view_flipper_fade_out.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2023 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->

<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:interpolator="@android:interpolator/decelerate_quad"
    >
<alpha
       android:fromAlpha="1.0"
       android:toAlpha="0.0"
       android:duration="100"/>
</set>