Fix rid choice setup stress (#23004)
Fix rid choice setup stress (#23004)

* Correct rid choice for setting up coredistools

* Force ubuntu.14.04 as the rid choice for ubuntu

* Add better comment

* Fix typo

mmitche/coreclr,mmitche/coreclr,wtgodbe/coreclr,cshung/coreclr,cshung/coreclr,wtgodbe/coreclr,poizan42/coreclr,poizan42/coreclr,krk/coreclr,krk/coreclr,krk/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,cshung/coreclr,wtgodbe/coreclr,krk/coreclr,poizan42/coreclr,krk/coreclr,cshung/coreclr,mmitche/coreclr,cshung/coreclr,poizan42/coreclr,cshung/coreclr,poizan42/coreclr,mmitche/coreclr,wtgodbe/coreclr,krk/coreclr,mmitche/coreclr,mmitche/coreclr,poizan42/coreclr