Merge "Add previewImage stylable to Dreams."

        <!-- Component name of an activity that allows the user to modify

             the settings for this dream. -->

        <attr name="settingsActivity" />

        <!-- A preview, in a drawable resource id, of what the Dream will look like. -->

        <attr name="previewImage" format="reference" />

    </declare-styleable>

    <!--  Use <code>trust-agent</code> as the root tag of the XML resource that