[DataFactory] Set computeType, coreCount to object type to allow expr…

…essions (Azure#16804)

* [DataFactory] Set computeType, coreCount to object type to allow expressions

* Add a test

* Change PartitionOption to object to allow expression

* Add test cases

eng/mgmt/mgmtmetadata/datafactory_resource-manager.txt

@@ -4,11 +4,11 @@ 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:\Projects\azure-sdk-for-net\sdk
-2020-10-28 02:50:39 UTC
+2020-11-18 07:45:56 UTC
 Azure-rest-api-specs repository information
 GitHub fork: Azure
 Branch:      master
-Commit:      e86a6eed316503ed17c2f7dfab94b2fa0f0c4129
+Commit:      146aefa430221f1dba5befb2d8dad17b8e4c88b7
 AutoRest information
 Requested version: v2
 Bootstrapper version:    autorest@2.0.4413

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

@@ -7,6 +7,8 @@
 - Added connectionProperties property into Concur linkedService
 - Added authenticationType and sessionToken properties into AmazonS3 linkedService
 - Added support for more frequency types for TumblingWindowTrigger
+- Set computeType, coreCount to object type to allow expressions
+- Change property PartitionOption type to object for NetezzaSource, OracleSource, SapHanaSource, SapTableSource, SqlDWSource, SqlMISource, SqlServerSource, SqlSource, TeradataSource. 
 
 ## Version 4.12.0
 ###  Feature Additions