Update sendRequest.m

Adding tracking code for SDK requests

Author: anushasridharan

toolbox/internal/sendRequest.m

@@ -5,7 +5,7 @@
   % Construct the HTTP request object
   requestObj = matlab.net.http.RequestMessage; 
   requestObj.Method = httpMethod;  
-  requestObj.Header = [requestObj.Header, matlab.net.http.HeaderField("Content-Type","application/json"), matlab.net.http.HeaderField("Accept","application/json"), matlab.net.http.HeaderField("s_tid","ml_sdk")];
+  requestObj.Header = [requestObj.Header, matlab.net.http.HeaderField("Content-Type","application/json"), matlab.net.http.HeaderField("Accept","application/json"), matlab.net.http.HeaderField("MLC-SDK-Id","ml-sdk")];
 
   % If created_before is present, convert to ISO 8601 format
   if isfield(optionalArgs, 'created_before')