editor/drawable-anydpi-v21/ic_functions_black_24dp.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:width="24dp"
        android:height="24dp"
        android:viewportWidth="24.0"
        android:viewportHeight="24.0">
    <path
        android:fillColor="#FF000000"
        android:pathData="M18,4H6v2l6.5,6L6,18v2h12v-3h-7l5,-5 -5,-5h7z"/>
</vector>