Revert "Update Analyzer package per https://github.com/dotnet/roslyn-analyzers#recommended-version-of-analyzer-packages for VS 2017 v15.5+"
Revert "Update Analyzer package per https://github.com/dotnet/roslyn-analyzers#recommended-version-of-analyzer-packages for VS 2017 v15.5+"

This reverts commit 54518da0ccf90f01da022ad6b807960b06b06ee2.

csMACnz/coveralls.net