Rename clangToolingRefactor to clangToolingRefactoring for consistency with its directory

See "[cfe-dev] The name of clang/lib/Tooling/Refactoring".

Differential Revision: https://reviews.llvm.org/D62420

llvm-svn: 361684
GitOrigin-RevId: bab1d8edcf4b29c3529db3c6f665d2131fc917fa
5 files changed