[lldb] Add a test for Obj-C properties with conflicting names

This is apparently allowed in Objective-C so we should test this in LLDB.

Reviewed By: teemperor

Differential Revision: https://reviews.llvm.org/D99513

GitOrigin-RevId: 6919c58262b0bab682ab48903e714d70a489418b
2 files changed