[llvm] [llvm]Add a simple Telemetry framework (PR #102323)

[James Henderson via llvm-commits]

jh7370 wrote:

> @jh7370 Here's the patch adding Telemetry as a common llvm framework that you'd requested. Please review. Thanks

I'll try to find time next week to take a look at this.

https://github.com/llvm/llvm-project/pull/102323