Move XEnumeration Java tests for
ScIndexEnumeration_TableRowsEnumeration to C++. Also improved the
overall run time of the test by limiting the range to enumerate over for
reasons mentioned in fdo#45337.

Change-Id: Id8eb998242cacf61bb472a0c130f38482c95db1c
Reviewed-on: https://gerrit.libreoffice.org/63444
Tested-by: Jenkins
Reviewed-by: Jens Carl <j.carl43@gmx.de>