update linker

Author: wenxi-zeng

Analytics-CSharp/Resources/link.xml

@@ -7,5 +7,11 @@
     <assembly fullname="System.Core">
         <type fullname="System.Linq.Expressions.Interpreter.LightLambda" preserve="all" />
     </assembly>
+    <assembly fullname="UnityEngine">
+      <type fullname="UnityEngine.Application" preserve="all" />
+    </assembly>
+  <assembly fullname="Xamarin.Forms">
+    <type fullname="Xamarin.Forms.Device" preserve="all" />
+  </assembly>
 </linker>
 

Analytics-CSharp/Segment/Analytics/Utilities/SystemInfo.cs

@@ -25,7 +25,7 @@ public static string getPlatform()
             {
                 type = "Xamarin";
             }
-            else if (Type.GetType("UnityEngine.Device.SystemInfo, UnityEngine") != null)
+            else if (Type.GetType("UnityEngine.Application, UnityEngine") != null)
             {
                 type = "Unity";
             }