[XRay][graph] Disambiguate name of type from member name

Follow-up to D29005.

Differential Revision: https://reviews.llvm.org/D29005

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294722 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed