packages/overlays/IconPackRoundedSystemUIOverlay/res/drawable/ic_hotspot.xml

<?xml version="1.0" encoding="utf-8"?>
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   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

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   distributed under the License is distributed on an "AS IS" BASIS,
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    android:height="18dp"
    android:viewportHeight="24"
    android:viewportWidth="24"
    android:width="18dp" >
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