[analyzer] Update open source checker build to checker-272.

See http://clang-analyzer.llvm.org/release_notes.html for what's new
in this build.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176389 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed