res/drawable/ic_download_badge.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:androidprv="http://schemas.android.com/apk/prv/res/android">
    <item>
        <shape android:shape="oval">
            <size
                android:width="@dimen/grid_item_badge_size"
                android:height="@dimen/grid_item_badge_size" />
            <solid android:color="?androidprv:attr/colorSurfaceVariant" />
        </shape>
    </item>
    <item
        android:width="@dimen/grid_item_badge_indicator_size"
        android:height="@dimen/grid_item_badge_indicator_size"
        android:drawable="@drawable/ic_file_download_gm2_24px"
        android:gravity="center" />
</layer-list>