Merge commit '9e78116704a3' from apple/stable/20190619 into swift/swift-5.2-branch

git apple-llvm automerger · git apple-llvm automerger · commit cdd65caefdb3 · 2020-01-22T09:56:07.000-08:00
diff --git a/CODEOWNERS b/CODEOWNERS
@@ -0,0 +1 @@
+* @apple/llvm-project-branch-managers
