Update logging of the USER_LEVEL_HIBERNATION_STATE_CHANGED atom

Update the atom logging as the time_in_last_state_millis field is being
removed.

Bug: 187224817
Test: atest AppHibernationServiceTest
Test: atest CtsStatsdAtomHostTestCases:AppHibernationStatsTest
Test: run statsd_testdrive 370. Run the hibernation job from cmd and see
correct pushed data

Change-Id: I53fa09b8dd822c158db983544500566cc0127837