Fix the diagnostic.cpp test to explicitly disable more google checks
Fix the diagnostic.cpp test to explicitly disable more google checks

Imagine, hypothetically, that you had a build of clang-tidy that enabled
the google-* checks by default.  If you had such a binary, then this
test would fail.  Making it pass in that configuration isn't such a bad
thing.

git-svn-id: a34e9779ed74578ad5922b3306b3d80a0c825546@213085 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang-tools-extra,llvm-mirror/clang-tools-extra,llvm-mirror/clang-tools-extra,llvm-mirror/clang-tools-extra