Revert "[sanitizers] MSVC warning disable for clean build" and follow-up that tried to fix the build as it's still broken.

This reverts commit 368476 and 368480.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@368481 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed