packages/overlays/IconPackFilledSystemUIOverlay/res/drawable/ic_notifications_silence.xml

<!--
/**
 * Copyright (c) 2019, The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 * * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
-->
<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:viewportWidth="24"
    android:viewportHeight="24">

    <path
        android:pathData="M 0 0 H 24 V 24 H 0 V 0 Z" />
    <path
        android:fillColor="#000000"
        android:pathData="M20.73,19.46l-0.6-0.6L5.54,4.26A0.9 0.9 ,0,1,0,4.27,5.53l2.4,2.4A7.35,7.35,0,0,0,6,11v5L3.85,18.15a0.5 0.5 ,0,0,0,0,0.71A0.48 0.48 ,0,0,0,4.2,19H17.73l1.73,1.73a0.9 0.9 ,0,0,0,1.27,0A0.88 0.88 ,0,0,0,20.73,19.46Z" />
    <path
        android:fillColor="#000000"
        android:pathData="M12,2.5A1.5,1.5,0,0,0,10.5,4v0.68a5.62,5.62,0,0,0-1.7 0.72 L18,14.6V11c0-3.07-1.64-5.64-4.5-6.32V4A1.5,1.5,0,0,0,12,2.5Z" />
    <path
        android:fillColor="#000000"
        android:pathData="M14,20H10a2,2,0,0,0,4,0Z" />
</vector>