Rewind instantiations of OuterAnalysisManagerProxy in r289317, r291651, and r291662.

I found root class should be instantiated for variadic tempate to instantiate static member explicitly.

This will fix failures in mingw DLL build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293017 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed