anchor.diff:          | MonoAndroid MonoAndroidVersion.V5 -> [ MonoAndroid MonoAndroidVersion.V44 ]
           | MonoAndroid MonoAndroidVersion.V6 -> [ MonoAndroid MonoAndroidVersion.V5 ]
           | MonoAndroid MonoAndroidVersion.V7-> [ MonoAndroid MonoAndroidVersion.V6; DotNetStandard DotNetStandardVersion.V1_6 ]
  +        | MonoAndroid MonoAndroidVersion.V71-> [ MonoAndroid MonoAndroidVersion.V7 ]
           | MonoTouch -> [ DotNetStandard DotNetStandardVersion.V1_6 ]
           | MonoMac -> [ DotNetStandard DotNetStandardVersion.V1_6 ]
           | Native(_) -> [ ]
  
positive.code:         | MonoAndroidVersion.V5    -> "5.0"
          | MonoAndroidVersion.V6    -> "6.0"
          | MonoAndroidVersion.V7    -> "7.0"
      override this.ToString() =
          match this with
          | MonoAndroidVersion.V1    -> "v1.0"
  
negative.code:         MonoAndroidVersion.V5
          MonoAndroidVersion.V6
          MonoAndroidVersion.V7
          MonoAndroidVersion.V71
      ]
  
      let MonoAndroidProfiles =
  