SetTag seems to be the way to go and we probably want to replace all AddTag calls in this repo?
https://github.com/open-telemetry/opentelemetry-dotnet/search?q=AddTag&unscoped_q=AddTag
@reyang , are u going to replace? or should I?
Feel free to take it.
@eddynaka Also check if we are retrieving Activity.Tags. It should be Activity.TagObjects