Replaces any checked-in wayland protocol files with auto-generation.
In some cases this means renaming include files that didn't use "standard"
names, or adding missing xml files. Any source edits are simple search and
replace, there should be no functional changes.
This adds compositor handling of DMABuf buffers. DMAbuf capabilities
are advertised for the drm back-ends, and DMAbuf buffers are handled
as native surfaces.
Mike Blumenkrantz
Derek Foreman