chrome/android/java/res/drawable/window_controls_overlay_toggle.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2025 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->

<level-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:maxLevel="@integer/window_controls_overlay_toggle_level_enable"
        android:drawable="@drawable/unfold_less" />
    <item
        android:maxLevel="@integer/window_controls_overlay_toggle_level_disable"
        android:drawable="@drawable/unfold_more" />
</level-list>