Revert UsageStatsDatabase to version 3

Change-Id: I650caeaed954ff2d0921b88a000c8f2be37df078
Fixes: 117177943
Bug: 117224541
Test: run google/template/local --template:map test
google/continuous/boot-successive  --no-first-boot --successive-boot
--boot-count 2 --granular-boot-info  -f
SystemServerTiming_StartUsageService    (See go/run-boottest)