LibreTube/app/src/main/res/drawable/ic_download.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:tint="?attr/colorControlNormal"
    android:viewportWidth="24"
    android:viewportHeight="24">
    <path
        android:fillColor="#00000000"
        android:pathData="M16,11L12,15M12,15L8,11M12,15L12,3M21,15L21,17C21,18.105 20.105,19 19,19L5,19C3.895,19 3,18.105 3,17L3,15"
        android:strokeWidth="2"
        android:strokeColor="#000000"
        android:strokeLineCap="round"
        android:strokeLineJoin="round" />
</vector>