Add LocationCompleter to Storage cmdlets

Author: azdevxps

src/ResourceManager/Storage/Commands.Management.Storage/StorageAccount/NewAzureStorageAccount.cs

@@ -63,6 +63,7 @@ public class NewAzureStorageAccountCommand : StorageAccountBaseCmdlet
             Mandatory = true,
             ValueFromPipelineByPropertyName = true,
             HelpMessage = "Storage Account Location.")]
+        [LocationCompleter("Microsoft.Storage/storageAccounts")]
         [ValidateNotNullOrEmpty]
         public string Location { get; set; }