[release/7.0-rc1] Add a way to suppress all trimming warnings#74220

jeffschwMSFT merged 2 commits intorelease/7.0-rc1dotnet/runtime:release/7.0-rc1from

backport/pr-74137-to-release/7.0-rc1dotnet/runtime:backport/pr-74137-to-release/7.0-rc1Copy head branch name to clipboard