Remove redundant wifi-display notification.

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

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<animation-list

        xmlns:android="http://schemas.android.com/apk/res/android"

        android:oneshot="false">

    <item android:drawable="@drawable/ic_notification_cast_0" android:duration="500" />

    <item android:drawable="@drawable/ic_notification_cast_1" android:duration="500" />

    <item android:drawable="@drawable/ic_notification_cast_2" android:duration="500" />

    <item android:drawable="@drawable/ic_notification_cast_1" android:duration="500" />

</animation-list>