CodeGen from PR 20879 in Azure/azure-rest-api-specs

Merge 3c758a03be34d5fdc4c75500833344edfd39284d into 1cb05f0

Author: SDKAuto

sdk/datafactory/Azure.ResourceManager.DataFactory/src/autorest.md

@@ -8,7 +8,7 @@ azure-arm: true
 csharp: true
 library-name: DataFactory
 namespace: Azure.ResourceManager.DataFactory
-require: https://github.com/Azure/azure-rest-api-specs/blob/de400f7204d30d25543ac967636180728d52a88f/specification/datafactory/resource-manager/readme.md
+require: /mnt/vss/_work/1/s/azure-rest-api-specs/specification/datafactory/resource-manager/readme.md
 tag: package-2018-06
 output-folder: $(this-folder)/Generated
 clear-output-folder: true