Merge pull request dotnet/corefx#42122 from yukiwongky/readonlycol
authorYuki Wong <v-kaywon@microsoft.com>
Fri, 25 Oct 2019 20:59:01 +0000 (13:59 -0700)
committerGitHub <noreply@github.com>
Fri, 25 Oct 2019 20:59:01 +0000 (13:59 -0700)
Fix getting readonly column metadata

Commit migrated from https://github.com/dotnet/corefx/commit/c78b7189eabe20c6f4c8d386ca18b68fea513189


Trivial merge