notification/drawable-anydpi-v21/ic_ondemand_video_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="M21,3L3,3c-1.11,0 -2,0.89 -2,2v12c0,1.1 0.89,2 2,2h5v2h8v-2h5c1.1,0 1.99,-0.9 1.99,-2L23,5c0,-1.11 -0.9,-2 -2,-2zM21,17L3,17L3,5h18v12zM16,11l-7,4L9,7z"/>
</vector>