Fix issue #374 driveItem.additionalDataManager().put() not working (#375)

* Fix issue #374 driveItem.additionalDataManager().put() not working
* Remove transient property check
* Remove testSkipTransientDatatest

We now serialize all instance annotations

Author: vikasprabhakar

src/main/java/com/microsoft/graph/serializer/DefaultSerializer.java

@@ -256,18 +256,9 @@ else if (fieldObject != null && fieldObject instanceof IJsonBackedObject) {
      */
     private void addAdditionalDataToJson(AdditionalDataManager additionalDataManager, JsonObject jsonNode) {
     	for (Map.Entry<String, JsonElement> entry : additionalDataManager.entrySet()) {
-            if (!fieldIsOdataTransient(entry)) {
-                jsonNode.add(
-                        entry.getKey(),
-                        entry.getValue()
-                );
-            }
+                jsonNode.add(entry.getKey(), entry.getValue());
         }
     }
-
-    private boolean fieldIsOdataTransient(Map.Entry<String, JsonElement> entry) {
-        return (entry.getKey().startsWith("@") && entry.getKey() != "@odata.type");
-    }
 
     /**
      * Get the derived class for the given JSON object

src/test/java/com/microsoft/graph/serializer/AdditionalDataTests.java

@@ -56,19 +56,6 @@ public void testChildAdditionalData() {
 		assertEquals("{\"manager\":{\"id\":\"1\",\"additionalData\":\"additionalValue\"},\"id\":\"2\"}", serializedObject);
 	}
 
-	@Test
-	public void testSkipTransientData() {
-		Entity entity = new Entity();
-		entity.id = "1";
-		
-		entity.additionalDataManager().put("@odata.type", new JsonPrimitive("entity"));
-		entity.additionalDataManager().put("@odata.nextLink", new JsonPrimitive("1"));
-		
-		String serializedObject = serializer.serializeObject(entity);
-		
-		assertEquals("{\"id\":\"1\",\"@odata.type\":\"entity\"}", serializedObject);
-	}
-	
 	@Test
 	public void testHashMapChildAnnotationData() {
 		PlannerTask task = new PlannerTask();