[analyzer] Add tests for Objective-C class properties
[analyzer] Add tests for Objective-C class properties

Add basic tests to ensure the analyzer has support for class properties. This
is a test-only change.

rdar://problem/25256807

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@268773 91177308-0d34-0410-b5e6-96231b3b80d8

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