Doxygen: Enable autobrief feature, matching llvm config/coding standards.
Doxygen: Enable autobrief feature, matching llvm config/coding standards.

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: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@242485 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang