device/drawable-anydpi-v21/ic_settings_system_daydream_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="M9,16h6.5c1.38,0 2.5,-1.12 2.5,-2.5S16.88,11 15.5,11h-0.05c-0.24,-1.69 -1.69,-3 -3.45,-3 -1.4,0 -2.6,0.83 -3.16,2.02h-0.16C7.17,10.18 6,11.45 6,13c0,1.66 1.34,3 3,3zM21,3L3,3c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h18c1.1,0 2,-0.9 2,-2L23,5c0,-1.1 -0.9,-2 -2,-2zM21,19.01L3,19.01L3,4.99h18v14.02z"/>
</vector>