hardware/drawable-anydpi-v21/ic_power_input_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="M2,9v2h19L21,9L2,9zM2,15h5v-2L2,13v2zM9,15h5v-2L9,13v2zM16,15h5v-2h-5v2z"/>
</vector>