[llvm] [fix test] Move typedefs-with-same-name.test into ARM folder (PR #167005)

[Kewen Meng via llvm-commits]

Kewen12 wrote:

> > The constructor error is likely due to this: #166850
> 
> Thanks for the info and the revert. Let me rerun CI Checks just to be sure that my patch works.

Thanks for this fix. Maybe we need to rebase?

https://github.com/llvm/llvm-project/pull/167005