Power Widgets: Add blue-background highlight on selection

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

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

        android:exitFadeDuration="@android:integer/config_mediumAnimTime">

    <item android:state_pressed="true"  android:drawable="@drawable/notification_item_background_color_pressed" />

    <item android:state_pressed="false" android:drawable="@drawable/notification_header_bg" />

</selector>