hardware/drawable-anydpi-v21/ic_phonelink_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="M4,6h18L22,4L4,4c-1.1,0 -2,0.9 -2,2v11L0,17v3h14v-3L4,17L4,6zM23,8h-6c-0.55,0 -1,0.45 -1,1v10c0,0.55 0.45,1 1,1h6c0.55,0 1,-0.45 1,-1L24,9c0,-0.55 -0.45,-1 -1,-1zM22,17h-4v-7h4v7z"/>
</vector>