notification/drawable-anydpi-v21/ic_do_not_disturb_alt_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="M12,2C6.5,2 2,6.5 2,12s4.5,10 10,10 10,-4.5 10,-10S17.5,2 12,2zM4,12c0,-4.4 3.6,-8 8,-8 1.8,0 3.5,0.6 4.9,1.7L5.7,16.9C4.6,15.5 4,13.8 4,12zM12,20c-1.8,0 -3.5,-0.6 -4.9,-1.7L18.3,7.1C19.4,8.5 20,10.2 20,12c0,4.4 -3.6,8 -8,8z"/>
</vector>