Rename vulkan encode tests to be able to use the namespace libs_vkvideoencode*. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6992>
Rename vulkan encode tests to be able to use the namespace libs_vkvideoencode*. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6992>