ObjectiveC migrator: Provide ARC annotations for
CF methods too.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@189041 91177308-0d34-0410-b5e6-96231b3b80d8
FileCheckify a grep test.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@189042 91177308-0d34-0410-b5e6-96231b3b80d8