[PATCH] tdf#49885 Reviewed BreakIterator customizations

[PATCH] tdf#49885 Reviewed BreakIterator customizations

This change completes the review of BreakIterator rule customizations,
and adds unit tests for relevant customizations.

Change-Id: I06678fcccfc48d020aac64dd9f58ff36a763af30
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/166017
Tested-by: Jenkins
Reviewed-by: Eike Rathke <erack@redhat.com>
Gbp-Pq: Name reviewed-breakIterator-customizations.diff