Merge pull request dotnet/corefx#31240 from bbowyersmyth/VB_Collection

Port and test VB Collection

Commit migrated from https://github.com/dotnet/corefx/commit/2dde65cc733a1b7f4560a7246b2b959710f5b784

diff --cc src/libraries/Microsoft.VisualBasic/ref/Microsoft.VisualBasic.cs
Simple merge

diff --cc src/libraries/Microsoft.VisualBasic/src/Microsoft.VisualBasic.vbproj
Simple merge

diff --cc src/libraries/Microsoft.VisualBasic/tests/Microsoft.VisualBasic.Tests.csproj
Simple merge