device/drawable-anydpi-v21/ic_wifi_lock_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="M20.5,9.5c0.28,0 0.55,0.04 0.81,0.08L24,6c-3.34,-2.51 -7.5,-4 -12,-4S3.34,3.49 0,6l12,16 3.5,-4.67L15.5,14.5c0,-2.76 2.24,-5 5,-5zM23,16v-1.5c0,-1.38 -1.12,-2.5 -2.5,-2.5S18,13.12 18,14.5L18,16c-0.55,0 -1,0.45 -1,1v4c0,0.55 0.45,1 1,1h5c0.55,0 1,-0.45 1,-1v-4c0,-0.55 -0.45,-1 -1,-1zM22,16h-3v-1.5c0,-0.83 0.67,-1.5 1.5,-1.5s1.5,0.67 1.5,1.5L22,16z"/>
</vector>