#i123895# split impfont.cxx source from metric.cxx

and move the helper function UpdateAttributesFromPSName() there to
make it available for all platforms, not only ATSUI-based ones.


git-svn-id: https://svn.apache.org/repos/asf/openoffice/trunk@1554844 13f79535-47bb-0310-9956-ffa450edef68