Fixing schedule description response of 200 from Created to OK. This …

…fix will also fix cmdlets we have that rely on the description response. (#3298)

specification/automation/resource-manager/Microsoft.Automation/stable/2015-10-31/schedule.json

@@ -83,7 +83,7 @@
         ],
         "responses": {
           "200": {
-            "description": "Created",
+            "description": "OK",
             "schema": {
               "$ref": "#/definitions/Schedule"
             }