[nativeaot][tests] Add smoke unit runtime tests for Native AOT on iOS platforms ...

[nativeaot][tests] Add smoke unit runtime tests for Native AOT on iOS platforms (#87260)

* Initial commit

* Add runtime-ioslike-coreclr and runtime-ioslike-mono azp runs

* Add support for stripping debug symbols and enabling IL stripping during AOT compilation on iOS

* Use the _AppleGenerateAppBundle target from AppleBuild.targets to build the app bundle

* Update the CI to use cross-build

* Update the sample app to use the cross-build

* Disable failing tests with OperatingSystem.Is...().

* Update perf build command for Native AOT

* Update IlcToolsPath to use cross-build ilc path

* Use /p:BuildNativeAOTRuntimePack=true to pick up NativeAOT assets instead of CoreCLR