res/drawable/ic_keyboard_arrow_down.xml

<!--
    Copyright (C) 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,
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<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:height="32dp"
        android:viewportHeight="48"
        android:viewportWidth="48"
        android:width="32dp">
    <path
        android:fillColor="#757575"
        android:pathData="M14.83,16.42L24,25.59l9.17,-9.17L36,19.25l-12,12 -12,-12z"/>
</vector>