Sync eng/common directory with azure-sdk-tools for PR 1627#21340

azure-sdk merged 2 commits intomasterAzure/azure-sdk-for-net:masterfrom

sync-eng/common-benbp/sparse-checkout-script-1627Azure/azure-sdk-for-net:sync-eng/common-benbp/sparse-checkout-script-1627Copy head branch name to clipboard