Custom Vision Training v3.4-preview SDK (Azure#16705)

* Regenerate SDK

* Update test runs

* Update versions

* Update records

* Update ids

Author: areddish

eng/mgmt/mgmtmetadata/cognitiveservices_data-plane_CustomVision_Training.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/cognitiveservices/data-plane/CustomVision/Training/readme.md --csharp --version=2.0.4413 --reflect-api-versions --tag=release_3_3 --csharp-sdks-folder=E:\github\azure-sdk-for-net2\sdk
-2020-06-06 14:30:23 UTC
+cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/cognitiveservices/data-plane/CustomVision/Training/readme.md --csharp --version=2.0.4413 --reflect-api-versions --csharp-sdks-folder=E:\github\azure-sdk-for-net2\sdk
+2020-11-06 16:01:26 UTC
 Azure-rest-api-specs repository information
 GitHub fork: Azure
 Branch:      master
-Commit:      783ed6e4298b198acbce4c4a1f1ae2a5b5bd39c6
+Commit:      82831834a7ce4b999d6fec363c0391da80ac2674
 AutoRest information
 Requested version: 2.0.4413
 Bootstrapper version:    autorest@2.0.4413

sdk/cognitiveservices/Vision.CustomVision.Training/CHANGELOG.md

@@ -1,6 +1,11 @@
 # Release History
 
-## 2.0.0 (Unreleased)
+## 2.1.0-preview (2020-11-10)
+### Added
+- Added support to train a new iteration using another iteration as the starting point.
+- Added more information about exportable models.
+
+## 2.0.0
 ### Added
 - Added support to import and export projects.
 - Added support to train on a subset of training tags.