Integrate Contacts app mask compatible icon

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

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<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">

    <background android:drawable="@color/ic_contacts_launcher_background"/>

    <foreground android:drawable="@mipmap/ic_contacts_launcher_foreground"/>

</adaptive-icon>

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