Added xml dataset & fixed version issue (#12458)

Co-authored-by: Shawn Xiao (IM) <shawnxia@microsoft.com>

eng/mgmt/mgmtmetadata/datafactory_resource-manager.txt

@@ -3,12 +3,12 @@ AutoRest installed successfully.
 Commencing code generation
 Generating CSharp code
 Executing AutoRest command
-cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/datafactory/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --tag=package-2018-06 --csharp-sdks-folder=D:\Git\AdmsSdkChange\sdk
-2020-05-26 06:33:38 UTC
+cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/datafactory/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --tag=package-2018-06 --csharp-sdks-folder=D:\Git\Azure\azure-sdk-for-net\sdk
+2020-06-03 08:26:23 UTC
 Azure-rest-api-specs repository information
 GitHub fork: Azure
 Branch:      master
-Commit:      98f100daf12446cbdc6359ba9b34e8a10f8410f3
+Commit:      41346a1b8bcf8265d7e86d844a72acc7ed9cfa1a
 AutoRest information
 Requested version: v2
 Bootstrapper version:    autorest@2.0.4413

sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/CHANGELOG.md

@@ -1,16 +1,10 @@
 # Changelog for the Azure Data Factory V2 .NET SDK
 
-## Version 4.11.0
-###  Feature Additions
-- Added support for the follwoing new datasets in ADF - ExcelDataset, along with source and sink for Copy activity
-- ExcelDataset will support following locations  AzureBlobStorageLocation, AzureBlobFSLocation, AzureDataLakeStoreLocation, AmazonS3Location, FileServerLocation, FtpServerLocation, SftpLocation, HttpServerLocation, HdfsLocation
-
-## Version 4.10.0
-###  Feature Additions
-- Added new type conversion support in Copy activity
-
 ## Version 4.9.0
 ###  Feature Additions
+- Added support for xml dataset in ADF
+- Added support for excel dataset in ADF
+- Added new type conversion support in Copy activity
 - Added support for copying data to and from Snowflake using copy activity
 - Added package store support for Azure-SSIS integration runtime
 - Added httpRequestTimeout for ODataSource, SapEccSource, SapCloudForCustomerSource, SapCloudForCustomerSink, DynamicsAXSource