[PATCH v3 0/6] MR9403: vccorlib140: Implement stringification functions.

[Vibhav Pant (＠vibhavp)]

The `IPrintable` interface seems to just be an alias around `IStringable` with a different IID.

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  v3: vccorlib140: Implement IPrintable for Platform::Type.
      vccorlib140: Implement IPrintable for Platform::Exception.
      vccorlib140: Implement __abi_ObjectToString.
      vccorlib140: Implement ToString() for well-known types.
      vccorlib140: Add ToString() stubs for well-known types.

https://gitlab.winehq.org/wine/wine/-/merge_requests/9403