[NativeAOT] Add appropriate telemetry flags to track use of NativeAOT on iOS-like platforms

[ivanpovazan]

@steveisok please add more context if necessary, thank you!

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Issue Details

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@steveisok please add more context if necessary, thank you!

Author:	ivanpovazan
Assignees:	steveisok
Labels:	os-ios, area-NativeAOT-coreclr
Milestone:	8.0.0

[steveisok]

Our current state is that we would only get telemetry numbers for NativeAOT during dotnet publish. That is not something iOS does by default.

https://github.com/dotnet/sdk/blob/676d07949d868756967172ceaa7494bb2317cd15/src/Tasks/Microsoft.NET.Build.Tasks/targets/Microsoft.NET.Publish.targets#L91-L95