message: [Cognitive Services] add new regions: Canada Central, Central Inida, Japan East and UK South
diff: "northeurope",
  "eastasia",
  "australiaeast",
  - "brazilsouth"
  + "brazilsouth",
  + "canadacentral",
  + "centralindia",
  + "uksouth",
  + "japaneast"
  ]
  }
  }
  