[dotnet] Enable more trimming switches

[spouliot]

Documentation
https://github.com/dotnet/runtime/blob/main/docs/workflow/trimming/feature-switches.md

Very small effect on the final app size.

Before
https://gist.github.com/spouliot/9f6fa4f15c117149905141f80fbad399

After
https://gist.github.com/spouliot/c9cefac8aa77c8c68edb9bbc77f553d0

[dalexsoto]

Sebastien.Sort ✅

[spouliot]

@dalexsoto yeah I ❤️ sorted keys 😄 but in this case there was a typo too: HttpNativeHandler != UseNativeHttpHandler

[vs-mobiletools-engineering-service2]

❌ 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
• macCat vsdrops gist
• macCatiOS gist
• tvOS vsdrops gist
• watchOS vsdrops gist

Test results

2 tests failed, 102 tests passed.

Failed tests

• link all/iOS Unified 64-bits - simulator/Debug: Failed
• link all/tvOS - simulator/Debug: Failed

Pipeline on Agent XAMBOT-1109'
Merge 06148b3 into 0924ce5

[spouliot]

TrustUsingOldPolicy: System.Net.WebException : Error: TrustFailure (Authentication failed, see inner exception.)
----> System.Security.Authentication.AuthenticationException : Authentication failed, see inner exception.
----> NUnit.Framework.AssertionException : Unknown Certificate Problem
Expected: 0
But was: -2146762485
1) Unknown Certificate Problem
Expected: 0
But was: -2146762485

known, likely network related, issue -> https://github.com/xamarin/maccore/issues/2211