Sync eng/common directory with azure-sdk-tools for PR 1716#22013

azure-sdk merged 2 commits intomainAzure/azure-sdk-for-net:mainfrom

sync-eng/common-RenameHarcodedMaster-1716Azure/azure-sdk-for-net:sync-eng/common-RenameHarcodedMaster-1716Copy head branch name to clipboard