Add TypeForwards for Xamarin.AndroidX.Collection. (#863)

Author: jpobst

config.json

@@ -257,7 +257,7 @@
         "groupId": "androidx.collection",
         "artifactId": "collection",
         "version": "1.4.0",
-        "nugetVersion": "1.4.0.1",
+        "nugetVersion": "1.4.0.2",
         "nugetId": "Xamarin.AndroidX.Collection",
         "dependencyOnly": false
       },

source/androidx.collection/collection/Additions/TypeForwards.cs

@@ -0,0 +1,10 @@
+using System.Runtime.CompilerServices;
+
+[assembly: TypeForwardedTo (typeof (AndroidX.Collection.ArrayMap))]
+[assembly: TypeForwardedTo (typeof (AndroidX.Collection.ArraySet))]
+[assembly: TypeForwardedTo (typeof (AndroidX.Collection.CircularArray))]
+[assembly: TypeForwardedTo (typeof (AndroidX.Collection.CircularIntArray))]
+[assembly: TypeForwardedTo (typeof (AndroidX.Collection.LongSparseArray))]
+[assembly: TypeForwardedTo (typeof (AndroidX.Collection.LruCache))]
+[assembly: TypeForwardedTo (typeof (AndroidX.Collection.SimpleArrayMap))]
+[assembly: TypeForwardedTo (typeof (AndroidX.Collection.SparseArrayCompat))]