Add a mechanism to log battery usage periodic job events

Example history log:
      	Jul 07, 2023, 15:28:51 SCHEDULE_JOB triggerTime=Jul 07, 2023, 16:00:00
      	Jul 07, 2023, 15:32:16 FETCH_USAGE_DATA
      	Jul 07, 2023, 15:32:17 INSERT_USAGE_DATA size=37
      	Jul 07, 2023, 15:43:45 FETCH_USAGE_DATA
      	Jul 07, 2023, 15:43:48 INSERT_USAGE_DATA size=47
      	Jul 07, 2023, 15:43:49 SCHEDULE_JOB triggerTime=Jul 07, 2023, 16:00:00

Bug: 284893240
Test: make test RunSettingsRoboTests ROBOTEST_FILTER=com.android.settings.fuelgauge
Change-Id: I45a1ce0ce9b70f095702727e53d7b7ce8824abdb