wayland: Add support for wp_viewporter

2 jobs for wip/rmader/implement-wp_viewporter-3.29.2 in 6 minutes and 12 seconds (queued for 1 second)
latest
Status Name Job ID Coverage
  Build
passed build-mutter #154081

00:01:28

 
  Test
passed test-mutter #154082

00:04:43