Resolve ILLink warnings in System.Diagnostics.DiagnosticSource#50265

Merged

eerhardt merged 3 commits intodotnet:mainfrom eerhardt:DiagnosticSourceILLinkWarnings

Apr 7, 2021

+131-57

Commits on Mar 25, 2021

Resolve ILLink warnings in System.Diagnostics.DiagnosticSource (Round 1)
eerhardt
committed

Commits on Mar 30, 2021

Update based on the following plan:
eerhardt
committed

Commits on Mar 31, 2021

Update ref assembly with new attributes.
eerhardt
committed