DO NOT MERGE ANYWHERE: UsageStatsService: Fix app idle issue at rollover time am: 9c7b543325  -s ours
am: 7e03454985  -s ours

* commit '7e0345498528611f538d8a5f259acc3440c1a649':
  DO NOT MERGE ANYWHERE: UsageStatsService: Fix app idle issue at rollover time