This new tracer will list loaded elements and plugins. This should
make it easier to generate minimal builds of GStreamer.
This also traces other features such as typefind functions, device
providers and dynamic types.
The format of the output of gst-stats should match the parameters
expected by the meson based gst-build system.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/782>
