ic_double_arrow.xml

<vector android:height="80dp" android:viewportHeight="24"
    android:viewportWidth="24" android:width="80dp" xmlns:android="http://schemas.android.com/apk/res/android">
    <path android:fillColor="#FF000000" android:pathData="M15.5,5l-4.5,0l5,7l-5,7l4.5,0l5,-7z"/>
    <path android:fillColor="#FF000000" android:pathData="M8.5,5l-4.5,0l5,7l-5,7l4.5,0l5,-7z"/>
</vector>