This allows us to split the parts that need to run async and the ones
that can run synchronous. This will reduce the number of signals that we
need.

Change-Id: I9c9f3df3422cc66d28d66e0638e212b39c743e33
Reviewed-on: https://gerrit.libreoffice.org/34669Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>