Objective-C: When reporting on missing property accessor implementation in

categories, do not report when they are declared in primary class,
class's protocol, or one of it super classes. This is because,
its class is going to implement them. // rdar://13713098


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180198 91177308-0d34-0410-b5e6-96231b3b80d8