Sync eng/common directory with azure-sdk-tools for PR 2599#2075

azure-sdk merged 1 commit intomainAzure/azure-sdk-for-c:mainfrom

sync-eng/common-albertcheng/configurable-docker-build-2599Azure/azure-sdk-for-c:sync-eng/common-albertcheng/configurable-docker-build-2599Copy head branch name to clipboard