Chenjie Yu e1361ed422 Adjust 1st bucket start time
adjust 1st bucket start time for a partial bucket
also make valuemetric and gauge metric pull on first bucket

Bug: 111607838
Bug: 111660710
Bug: 111842941

Test: unit test
Change-Id: I5932c2258f8deac57e7abbf26f3214f87914a964
2018-07-27 10:53:38 -07:00
..
2018-03-07 17:36:07 -08:00
2018-03-07 21:43:00 +00:00
2018-07-27 10:53:38 -07:00
2018-06-25 11:08:04 -07:00