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

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

    <item android:drawable="@drawable/format_bar_button_media_disabled" android:state_enabled="false" />
    <item android:drawable="@drawable/format_bar_button_media_highlighted" android:state_checked="true" />
    <item android:drawable="@drawable/format_bar_button_media_highlighted" android:state_pressed="true" />
    <item android:drawable="@drawable/format_bar_button_media_highlighted" android:state_focused="true" />
    <item android:drawable="@drawable/format_bar_button_media" />

</selector>

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

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

    <item android:drawable="@drawable/format_bar_button_media_disabled" android:state_enabled="false" />
    <item android:drawable="@drawable/format_bar_button_media_highlighted" android:state_pressed="true" />
    <item android:drawable="@drawable/format_bar_button_media_highlighted" android:state_focused="true" />
    <item android:drawable="@drawable/format_bar_button_media" />

</selector>

Remove checked state from media format button
Remove checked state from media format button
