mkdir (#10094)
mkdir (#10094)

Co-authored-by: Sanjai Ganesh <66153e04b08d8fbd6f9e18baf06aa7ed12be91c0@microsoft.com>
brjohnstmsft/azure-rest-api-specs,vladrai/azure-rest-api-specs,naveedaz/azure-rest-api-specs,AuxMon/azure-rest-api-specs,naveedaz/azure-rest-api-specs,vladrai/azure-rest-api-specs,johanste/azure-rest-api-specs,AuxMon/azure-rest-api-specs,AsrOneSdk/azure-rest-api-specs,AppPlatPerf/azure-rest-api-specs,AsrOneSdk/azure-rest-api-specs,johanste/azure-rest-api-specs,yugangw-msft/azure-rest-api-specs,yugangw-msft/azure-rest-api-specs,solankisamir/azure-rest-api-specs,brjohnstmsft/azure-rest-api-specs,solankisamir/azure-rest-api-specs,AppPlatPerf/azure-rest-api-specs