Move XNameAccess Java tests to C++ for ScDDELinksObj.

Change-Id: Ic36e78920b0a6649b2fc5a9298cea51615c5d5c6
Reviewed-on: https://gerrit.libreoffice.org/66556
Tested-by: Jenkins
Reviewed-by: Jens Carl <j.carl43@gmx.de>