[main] Source code updates from dotnet/dotnet#1442

mthalman merged 1 commit intomaindotnet/source-build-reference-packages:mainfrom

darc-main-eddea086-c419-42a1-bf4b-dd82b040b54adotnet/source-build-reference-packages:darc-main-eddea086-c419-42a1-bf4b-dd82b040b54aCopy head branch name to clipboard