sdk/platforms/android-27/data/res/drawable/sym_def_app_icon_background.xml

<?xml version="1.0" encoding="utf-8"?>
<vector
    android:height="108dp"
    android:width="108dp"
    android:viewportHeight="108.0"
    android:viewportWidth="108.0"
    xmlns:android="http://schemas.android.com/apk/res/android">
    <path android:fillColor="@android:color/material_deep_teal_500"
        android:pathData="M0,0h108v108h-108z"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
        android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
        android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
        android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
        android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
</vector>