Fixed an issue where android tried to link against ios multipeer w/il2cpp backend

Assets/Scripts/Multipeer/TestAssembly.asmdef

+{
+    "name": "TestAssembly",
+    "references": [],
+    "includePlatforms": [
+        "Editor",
+        "iOS"
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": true,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": []
+}

Assets/Scripts/Multipeer/TestAssembly.asmdef.meta

+fileFormatVersion: 2
+guid: 999681c7ffab0480997e5c0752c60948
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: