Merge "Add header to USB power options preference"

    <!-- Description at the footer of the default USB configuration window that describes how the setting works. -->

    <string name="usb_default_info">When another device is connected and your phone is unlocked, these settings will be applied. Only connect to trusted devices.</string>

    <!-- The title used in USB Preferences which provides the user with the control over this

         device's power role. -->

    <string name="usb_power_title">Power options</string>

    <!-- Settings item title for USB preference [CHAR LIMIT=35] -->

    <string name="usb_pref">USB</string>

    <!-- Settings screen title for USB preference [CHAR LIMIT=35] -->

        android:title="@string/usb_use"/>

    <PreferenceCategory

        android:key="usb_details_power_role"/>

        android:key="usb_details_power_role"

        android:title="@string/usb_power_title"/>

</PreferenceScreen>