Sync eng/common directory with azure-sdk-tools for PR 3481#1295

benbp merged 6 commits intomainAzure/azure-sdk-for-ios:mainfrom

sync-eng/common-benbp/stress-addon-dev-3481Azure/azure-sdk-for-ios:sync-eng/common-benbp/stress-addon-dev-3481Copy head branch name to clipboard