[main] Source code updates from dotnet/dotnet#5861

dotnet-maestro[bot] wants to merge 9 commits into

maindotnet/diagnostics:mainfrom

darc-main-dc82043e-92f4-46ce-b0ae-93a73541dc53dotnet/diagnostics:darc-main-dc82043e-92f4-46ce-b0ae-93a73541dc53Copy head branch name to clipboard