Summary: This corresponds to the change made in r237417 - "Doxygen: Enable autobrief feature and update coding standards."

Reviewers: eliben

Subscribers: eliben, cfe-commits

Differential Revision: http://reviews.llvm.org/D11281

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@242485 91177308-0d34-0410-b5e6-96231b3b80d8