DRI3: Add DRI3SetDRMDeviceInUse

DRI3SetDRMDeviceInUse is a hint that lets a client tell the server
what DRM device it is currently using. This lets the server make
more informed decisions for what modifiers to return to the client.

This is needed for proper linux dmabuf feedback with Xwayland
9 jobs for master in 1 minute and 43 seconds (queued for 1 second)
latest