[llvm] [offload] Extract OMPT out of PluginInterface (PR #221726)

[Ivan R. Ivanov via llvm-commits]

ivanradanov wrote:

Thank you everyone for taking a look and testing it.

> Ok, I think you might be correct. Have you done any testing for OMPT?
@adurang I relied on the existing tests, I will take a look what was covered there and I will check specifically scenarios that exercise my changes if they weren't covered. (and possibly add new tests)

@jplehr Thank you for pointing me to the draft PR - I will take a look

https://github.com/llvm/llvm-project/pull/221726