vaapih264dec: add constrained and progressive profiles
vaapih264dec: add constrained and progressive profiles

Those profiles have been added in the version 2012-01
and 2011-06 of the AVC spec (A.2.4.1 and A.2.4.2).

Both are supported by VAProfileH264High

https://bugzilla.gnome.org/show_bug.cgi?id=795624

ceyusa/gstreamer-vaapi,GStreamer/gstreamer-vaapi,ceyusa/gstreamer-vaapi,GStreamer/gstreamer-vaapi