Fix JSON formatting for reverse DNS API requests

Author: sharwell

src/corelib/Providers/Rackspace/CloudDnsProvider.cs

@@ -893,7 +893,8 @@ public Task<DnsJob<DnsRecordsList>> AddPtrRecordsAsync(string serviceName, Uri d
                     new JProperty("href", new JValue(deviceResourceUri.AbsoluteUri)),
                     new JProperty("rel", new JValue(serviceName)),
                     new JProperty("content", new JValue(string.Empty)))),
-                new JProperty("records", JArray.FromObject(recordConfigurations)));
+                new JProperty("recordsList", new JObject(
+                    new JProperty("records", JArray.FromObject(recordConfigurations)))));
             Func<Task<Tuple<IdentityToken, Uri>>, Task<HttpWebRequest>> prepareRequest =
                 PrepareRequestAsyncFunc(HttpMethod.POST, template, parameters, request);
 
@@ -938,8 +939,8 @@ public Task<DnsJob> UpdatePtrRecordsAsync(string serviceName, Uri deviceResource
                     new JProperty("href", new JValue(deviceResourceUri.AbsoluteUri)),
                     new JProperty("rel", new JValue(serviceName)),
                     new JProperty("content", new JValue(string.Empty)))),
-                new JProperty("recordsList",
-                    new JProperty("records", JArray.FromObject(recordConfigurations))));
+                new JProperty("recordsList", new JObject(
+                    new JProperty("records", JArray.FromObject(recordConfigurations)))));
             Func<Task<Tuple<IdentityToken, Uri>>, Task<HttpWebRequest>> prepareRequest =
                 PrepareRequestAsyncFunc(HttpMethod.PUT, template, parameters, request);