4 for PkgUsageStats

FileDocCategorySizeDatePackage
PkgUsageStats.javaAPI DocAndroid 1.5 API1602Wed May 06 22:41:56 BST 2009com.android.internal.os
UsageStats.javaAPI DocAndroid 1.5 API9545Wed May 06 22:42:48 BST 2009com.android.settings
UsageStatsService.javaAPI DocAndroid 1.5 API18322Wed May 06 22:42:00 BST 2009com.android.server.am
ActivityManager.javaAPI DocAndroid 5.1 API100615Thu Mar 12 22:22:08 GMT 2015android.app
1