vtosters/smali/res/drawable/podcast_snippet_play_pause_blue.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_selected="true">
        <layer-list>
            <item>
                <bitmap android:gravity="center" android:src="@drawable/ic_podcast_pause_16" />
            </item>
        </layer-list>
    </item>
    <item android:state_selected="false">
        <layer-list>
            <item>
                <bitmap android:gravity="center" android:src="@drawable/ic_podcast_play_16" />
            </item>
        </layer-list>
    </item>
</selector>