packages/SystemUI/res-keyguard/drawable/ic_unlocked.xml

<?xml version="1.0" encoding="utf-8"?>
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  ~ Copyright (C) 2021 The Android Open Source Project
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  ~ 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,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
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  -->
<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:height="65dp"
        android:width="46dp"
        android:viewportHeight="65"
        android:viewportWidth="46">
    <group android:translateX="8.625"
           android:translateY="13.625">
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            android:strokeColor="#FF000000"
            android:strokeLineCap="round"
            android:strokeLineJoin="round"
            android:strokeWidth="2.5"
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    <group android:translateX="14"
           android:translateY="13.5">
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    <group android:translateX="20"
           android:translateY="35.75">
        <path
            android:fillColor="#FF000000"
            android:fillAlpha="1"
            android:fillType="nonZero"
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    </group>
</vector>