[src] Generate a .NET-specific version of Constants.<platform>.generated.cs.

[rolfbjarne]

This way we can have different constants for frameworks for .NET (since some
frameworks have been removed for .NET).

[vs-mobiletools-engineering-service2]

❌ [PR Build] Tests failed on Build ❌

Tests failed on Build.

• Azure DevOps
• Html Report (VSDrops)

API diff

✅ API Diff from stable

View API diff

• iOS vsdrops gist
• macOS vsdrops gist
• tvOS vsdrops gist
• watchOS vsdrops gist
• macCatiOS vsdrops gist
• macCat vsdrops gist

View dotnet API diff

• dotnet-iOS vsdrops gist
• dotnet-macOS vsdrops gist
• dotnet-tvOS vsdrops gist
• dotnet-MacCatalyst vsdrops gist

View dotnet legacy API diff

• dotnet-legacy-iOS vsdrops gist
• dotnet-legacy-macOS vsdrops gist
• dotnet-legacy-tvOS vsdrops gist
• dotnet-legacy-MacCatalyst vsdrops gist

View dotnet iOS-MacCatalayst API diff

• dotnet-macCatiOS vsdrops gist

API & Generator diff

ℹ️ API Diff (from PR only) (please review changes)
ℹ️ Generator Diff (please review changes)

GitHub pages

Results can be found in the following github pages (it might take some time to publish):

• Test results
• API diff
• API & Generator diff

Test results

6 tests failed, 93 tests passed.

Failed tests

• monotouch-test/Mac [dotnet]/Debug [dotnet]: Failed (Test run failed.
  Tests run: 2539 Passed: 2413 Inconclusive: 10 Failed: 1 Ignored: 125)
• monotouch-test/Mac Catalyst [dotnet]/Debug [dotnet]: Failed (Tests run: 2704 Passed: 2500 Inconclusive: 35 Failed: 1 Ignored: 203)
• link all/Mac Catalyst [dotnet]/Release [dotnet]: TimedOut (Execution timed out after 1200 seconds.
  No test log file was produced)
• xammac tests/Mac Modern/Debug: Failed (Test run failed.
  Tests run: 2544 Passed: 2423 Inconclusive: 10 Failed: 1 Ignored: 120)
• xammac tests/Mac Modern/Release: Failed (Test run failed.
  Tests run: 2541 Passed: 2419 Inconclusive: 10 Failed: 1 Ignored: 121)
• xammac tests/Mac Modern/Release (all optimizations): Failed (Test run failed.
  Tests run: 2541 Passed: 2418 Inconclusive: 10 Failed: 1 Ignored: 122)

Pipeline on Agent XAMBOT-1103.BigSur
Merge 9ffab44 into 6af32cb

[rolfbjarne]

Test failures are unrelated:

• monotouch-test/Mac [dotnet]/Debug [dotnet]: https://github.com/xamarin/maccore/issues/2525
• monotouch-test/Mac [dotnet]/Debug (static registrar) [dotnet]: https://github.com/xamarin/maccore/issues/2525
• monotouch-test/Mac Catalyst [dotnet]/Debug [dotnet]: https://github.com/xamarin/maccore/issues/2525
• dont link/Mac Catalyst [dotnet]/Debug [dotnet]: https://github.com/xamarin/maccore/issues/2494
• link sdk/Mac Catalyst [dotnet]/Debug [dotnet]: https://github.com/xamarin/maccore/issues/2414
• xammac tests/Mac Modern/Debug: https://github.com/xamarin/maccore/issues/2525
• xammac tests/Mac Modern/Debug (all optimizations): https://github.com/xamarin/maccore/issues/2525
• xammac tests/Mac Modern/Release: https://github.com/xamarin/maccore/issues/2525
• xammac tests/Mac Modern/Release (all optimizations): https://github.com/xamarin/maccore/issues/2525
• Generator tests/.NET: https://github.com/xamarin/maccore/issues/2463

Build is currently broken in main, waiting to merge until that's fixed (#13304).