Merge "Incremental system bar improvements."

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

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

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

    <item android:drawable="@drawable/status_bar_expand_default" />

</selector>