[ClangImporter] Imported NS_OPTIONS structs should not conform to BooleanType.
[ClangImporter] Imported NS_OPTIONS structs should not conform to BooleanType.

In general, RawOptionSetType no longer inherits from BooleanType.

Swift SVN r20846

apple/swift-corelibs-foundation,apple/swift-corelibs-foundation,apple/swift-corelibs-foundation,apple/swift-corelibs-foundation,apple/swift-corelibs-foundation