ClangQueryTests: Fix msc17 build. Non-static member initializers are unavailable.

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@207096 91177308-0d34-0410-b5e6-96231b3b80d8
QueryEngineTest.cpp: Appease g++47.

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@207097 91177308-0d34-0410-b5e6-96231b3b80d8