StatsPullerManager is refactored so that we can mock it. It may need more refactor pass to make is safer for longer runs. Test: unit test Change-Id: Ief0c99710e4d06e1454678f8b749c9599467d114
StatsPullerManager is refactored so that we can mock it. It may need more refactor pass to make is safer for longer runs. Test: unit test Change-Id: Ief0c99710e4d06e1454678f8b749c9599467d114