res/drawable/ic_instant_app_badge.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2017 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="@dimen/profile_badge_size"
    android:height="@dimen/profile_badge_size"
    android:viewportWidth="18"
    android:viewportHeight="18">

    <path
        android:fillColor="@android:color/black"
        android:fillType="evenOdd"
        android:strokeWidth="1"
        android:pathData="M 9 0 C 13.9705627485 0 18 4.02943725152 18 9 C 18 13.9705627485 13.9705627485 18 9 18 C 4.02943725152 18 0 13.9705627485 0 9 C 0 4.02943725152 4.02943725152 0 9 0 Z" />
    <path
        android:fillColor="@android:color/white"
        android:fillType="evenOdd"
        android:strokeWidth="1"
        android:pathData="M 9 0 C 13.9705627485 0 18 4.02943725152 18 9 C 18 13.9705627485 13.9705627485 18 9 18 C 4.02943725152 18 0 13.9705627485 0 9 C 0 4.02943725152 4.02943725152 0 9 0 Z" />
    <path
        android:fillColor="@android:color/white"
        android:fillType="evenOdd"
        android:strokeWidth="1"
        android:pathData="M 9 0 C 13.9705627485 0 18 4.02943725152 18 9 C 18 13.9705627485 13.9705627485 18 9 18 C 4.02943725152 18 0 13.9705627485 0 9 C 0 4.02943725152 4.02943725152 0 9 0 Z" />
    <path
        android:fillColor="@android:color/black"
        android:fillAlpha="0.87"
        android:fillType="evenOdd"
        android:strokeWidth="1"
        android:pathData="M 6 10.4123279 L 8.63934949 10.4123279 L 8.63934949 15.6 L 12.5577168 7.84517705 L 9.94547194 7.84517705 L 9.94547194 2 Z" />
</vector>