message: Rewritten the user agent.
diff: #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";
  