Rewritten the user agent. (#555)

Author: katmsft

sdk/storage/azure-storage-common/inc/azure/storage/common/constants.hpp

@@ -5,10 +5,10 @@
 #pragma once
 
 namespace Azure { namespace Storage { namespace Details {
-  constexpr static const char* c_BlobServicePackageName = "storageblob";
-  constexpr static const char* c_DatalakeServicePackageName = "storagedatalake";
-  constexpr static const char* c_FileServicePackageName = "storagefile";
-  constexpr static const char* c_QueueServicePackageName = "storagequeue";
+  constexpr static const char* c_BlobServicePackageName = "storage-blobs";
+  constexpr static const char* c_DatalakeServicePackageName = "storage-files-datalake";
+  constexpr static const char* c_FileServicePackageName = "storage-files-shares";
+  constexpr static const char* c_QueueServicePackageName = "storage-queues";
   constexpr static const char* c_HttpQuerySnapshot = "snapshot";
   constexpr static const char* c_HttpQueryVersionId = "versionid";
   constexpr static const char* c_StorageScope = "https://storage.azure.com/.default";