Use Build.DefinitionName for Creator when submitting tests to Helix (#22692)
Use Build.DefinitionName for Creator when submitting tests to Helix (#22692)


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