This is more of a heads-up that I'm working on this. The intention is to submit a pull request into the PSF Git to add the functionality in. Changes are mainly to TraceShim to allow output to ETW, ...
The tool is not publicly available at this time. The intent is for it to be incorporated into the open source Package Support Framework on GitHub. As this will be the first non-Microsoft contribution to that repository, it might take some time for it to become public. Be patient!