Add missing docml files.
<?xml version="1.0" encoding="UTF-8"?>
<hbdocument version="0.9">
<widget name="playbackWidgetContainer" type="HbWidget">
<widget name="albumText" type="HbLabel">
<enums name="alignment" value="AlignVCenter|AlignHCenter"/>
<fontspec name="fontSpec" role="Secondary"/>
</widget>
<widget name="artistText" type="HbLabel">
<enums name="alignment" value="AlignVCenter|AlignHCenter"/>
<fontspec name="fontSpec" role="Secondary"/>
</widget>
<widget name="songText" type="HbLabel">
<enums name="alignment" value="AlignVCenter|AlignHCenter"/>
<fontspec name="fontSpec" role="Primary"/>
</widget>
<widget name="albumArt" type="HbLabel">
<enums name="alignment" value="AlignVCenter|AlignHCenter"/>
</widget>
<widget name="progressBar" type="HbProgressSlider">
<fontspec name="fontSpec" role="PrimarySmall"/>
</widget>
<widget name="textContainer" type="HbWidget"/>
<bool name="visible" value="TRUE"/>
</widget>
<widget name="albumArt">
<sizehint height="var(hb-param-screen-width)" type="MAXIMUM" width="var(hb-param-screen-width)"/>
<sizehint height="var(hb-param-screen-width)" type="PREFERRED" width="var(hb-param-screen-width)"/>
<sizehint height="var(hb-param-screen-width)" type="FIXED" width="var(hb-param-screen-width)"/>
<sizehint height="var(hb-param-screen-width)" type="MINIMUM" width="var(hb-param-screen-width)"/>
<sizepolicy horizontalPolicy="Fixed" horizontalStretch="0" verticalPolicy="Fixed" verticalStretch="0"/>
</widget>
<layout type="linear" orientation="Vertical" spacing="var(hb-param-margin-gene-middle-vertical)" widget="textContainer">
<contentsmargins bottom="var(hb-param-margin-gene-screen)" left="var(hb-param-margin-gene-screen)" right="var(hb-param-margin-gene-screen)" top="0.0un"/>
<linearitem itemname="artistText"/>
<linearitem itemname="songText"/>
<linearitem itemname="albumText"/>
<linearitem itemname="progressBar"/>
</layout>
<layout orientation="Vertical" spacing="var(hb-param-margin-gene-middle-vertical)" type="linear" widget="playbackWidgetContainer">
<contentsmargins bottom="0.0un" left="var(hb-param-margin-view-left)" right="var(hb-param-margin-view-right)" top="0.0un"/>
<linearitem itemname="albumArt"/>
<linearitem itemname="textContainer"/>
</layout>
</hbdocument>