Former-commit-id: a178af491f4b4cd75ed1517f023354bab0b9c8c8
fix bugs in DatabaseArchiver.determineStartTime(). Change-Id: I2a7a71bcf7bdbc5ea786d949631b45342675ce1f Former-commit-id: 6e45fc4f0eb15409a20be99c02b2ac43c8ed842e
Former-commit-id: 926a2a6a5af5b3514c29097deb0fc24b093643a2