[release/10.0] Source code updates from dotnet/dotnet#1452

ellahathaway merged 2 commits intorelease/10.0dotnet/source-build-reference-packages:release/10.0from

darc-release/10.0-964b51b3-a36b-4ddc-a05b-d1d5c61ee9c7dotnet/source-build-reference-packages:darc-release/10.0-964b51b3-a36b-4ddc-a05b-d1d5c61ee9c7Copy head branch name to clipboard