FP3: media: Enable media.settings.xml

Enable the property so that we now use media_profiles_vendor.xml
as the media profiles configuration file.

Issue: FP3-A11#422
Change-Id: I228f311580671995409b61035e09184e519e2d91
(cherry picked from commit 4a4dd53f8a5632bf1804330d1e60cc17b7dfa15f)