Sync eng/common directory with azure-sdk-tools for PR 13100#3312

JennyPng merged 4 commits into

mainAzure/azure-sdk-for-c:mainfrom

sync-eng/common-env-setup-instr-improve-13100Azure/azure-sdk-for-c:sync-eng/common-env-setup-instr-improve-13100Copy head branch name to clipboard