Cherry pick `Fix SingleDeviceStrategy support in Nsys callback (11574)` into `r2.1.0`
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beep boop 🤖: 🙏 The following files have warnings. In case you are familiar with these, please try helping us to improve the code base.

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Thank you for improving NeMo's documentation! Already merged cherrypick in different PR
beep boop [🤖]: Hi @akoumpa 👋,
    
    we've cherry picked #11574 into  for you! 🚀
    
    Please review and approve this cherry pick by your convenience!