[vs18.10] Expand built-in metadata references in the task host - #14823

[vs18.10] Expand built-in metadata references in the task host#14823

JanProvaznik wants to merge 7 commits into

dotnet:vs18.10dotnet/msbuild:vs18.10from

JanProvaznik:backport/vs18.10-itemdefinition-metadataJanProvaznik/msbuild:backport/vs18.10-itemdefinition-metadataCopy head branch name to clipboard