perf(storage): use google_crc32c.value for checksums#16719

zhixiangli wants to merge 2 commits intogoogleapis:maingoogleapis/google-cloud-python:mainfrom

zhixiangli:zhixiangli/refactor/asyncio-crc32c-valuezhixiangli/google-cloud-python:zhixiangli/refactor/asyncio-crc32c-valueCopy head branch name to clipboard