Sync eng/common directory with azure-sdk-tools for PR 11336#36190

azure-sdk merged 5 commits intomainAzure/azure-rest-api-specs:mainfrom

sync-eng/common-perf-install-dotnet-2-11336Azure/azure-rest-api-specs:sync-eng/common-perf-install-dotnet-2-11336Copy head branch name to clipboard