Merge "Add help links to overlayable" into qt-dev

<resources>

    <!-- TODO(evanseverson) rename this overlayable -->

    <overlayable name="PermissionControllerStyles">

        <policy type="product|system|vendor">

            <!-- START HELP LINKS -->

            <item type="string" name="help_app_permissions" />

            <item type="string" name="help_permission_usage" />

            <!-- END HELP LINKS -->

            <!-- START PERMISSION GRANT DIALOG -->

            <item type="style" name="PermissionGrantScrollView" />

            <item type="style" name="PermissionGrantSingleton" />