Merge master to feature/witness-passing#9189

Merged

KevinRansom merged 2 commits intofeature/witness-passingfrom merges/master-to-feature/witness-passing

May 14, 2020

+17-790

Commits on May 13, 2020

Remove the LanguageServiceProfiling project (#9183 )
cartermp
authored

Commits on May 14, 2020

Added null test for AddBoundValue. Making FsiTests single-threaded (#9184 )
TIHan
authored