Move XEnumeration Java tests to C++
for ScIndexEnumeration_CellAnnotationsEnumeration.

Change-Id: I06ad265c09fa4c29e056527c79c0470634abaabc
Reviewed-on: https://gerrit.libreoffice.org/63549
Tested-by: Jenkins
Reviewed-by: Jens Carl <j.carl43@gmx.de>