[analyzer] Fix build error after r283660 - remove constexpr strings.
[analyzer] Fix build error after r283660 - remove constexpr strings.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@283662 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit ef2871bb8bcfe4f4235f0ff80496f15f480028be)

apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang