Co-author: Regina Henschel
This implements the new draw:handle attributes of ODF 1.4. For reasons
for new attributes see https://issues.oasis-open.org/browse/OFFICE-4110
The old attributes are deprecated but may still be written. So we keep
them to be backward compatible.
Change-Id: I0b3443d000b2b163363f9070e5e276af2b018cbb
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/174966
Tested-by: Jenkins
Reviewed-by: Regina Henschel <rb.henschel@t-online.de>
