Add Entrypoint for theme sounds

        android:icon="@drawable/prd_ic_soundpacks">

        <intent android:action="android.intent.action.MAIN" >

             <category android:name="cyanogenmod.intent.category.APP_THEMES" />

             <!-- TODO: "mods_sounds" is a placeholder" -->

             <extra android:name="component_filter" android:value="mods_sounds"/>

             <extra android:name="component_filter"

                    android:value="mods_alarms,mods_ringtones,mods_notifications"/>

        </intent>

    </Preference>

</PreferenceScreen>