linuxdmabuf: implement dmabuf-feedback

dmabuf-feedback allows the compositor to give the client feedback on what
formats and modifiers are best to use, and for which devices it needs to
allocate its buffers, which improves performance and efficiency.
4 jobs for !327 with work/dmabuf-feedback in 7 minutes and 31 seconds (queued for 3 seconds)
detached
Status Name Job ID Coverage
  Build
passed freebsd_qt515 #162788
FreeBSD

00:02:38

passed suse_tumbleweed_qt515 #163603
Linux

00:04:53

failed freebsd_qt515 #161346
FreeBSD

00:00:09

failed suse_tumbleweed_qt515 #161345
Linux

00:00:16