Mostly in Calc, but also for the SwAnnotationShell.
Also replace the current code in SwDrawTextShell with a call
to EditView::ChangeFontSize. The latter is able to handle
text with different sizes out of the box.

Change-Id: I4b55da579ea51683140bce0544e481606d7e5f3e
Reviewed-on: https://gerrit.libreoffice.org/16658Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Maxim Monastirsky <momonasmon@gmail.com>