Device code flow was available in ADAL.NET for Xamarin.Android. Its no longer in MSAL.NET

[jmprieur]

Which Version of MSAL are you using ?
MSAL.NET 2.2.1-preview

Which platform has the issue?
Xamarin android

What authentication flow has the issue?

• Desktop
  • Interactive
  • WIA
  • U/P
  • Device code flow (browserless)
• Mobile
• Web App
  • Authorization code
  • OBO
• Web API
  • OBO

Repro
Observe the public APIs of ADAL.NET and MSAL.NET for the Xamarin.Android platform

Expected behavior
Device code flow is available in MSAL.NET Xamarin.Android (it was in ADAL.NET Xamarin.Android). The scenarios are iOT.

Actual behavior
Device code flow is not yet available in MSAL.NET Xamarin.Android

[jennyf19]

Done by @MarkZuber in this PR tested w/Android and iOS 😼