hardware/drawable-anydpi-v21/ic_keyboard_voice_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="M12,15c1.66,0 2.99,-1.34 2.99,-3L15,6c0,-1.66 -1.34,-3 -3,-3S9,4.34 9,6v6c0,1.66 1.34,3 3,3zM17.3,12c0,3 -2.54,5.1 -5.3,5.1S6.7,15 6.7,12L5,12c0,3.42 2.72,6.23 6,6.72L11,22h2v-3.28c3.28,-0.48 6,-3.3 6,-6.72h-1.7z"/>
</vector>