JCS - IUsageStats

File	Doc	Category	Size	Date	Package
UsageStatsService.java	API Doc	Android 1.5 API	18322	Wed May 06 22:42:00 BST 2009	com.android.server.am
UsageStats.java	API Doc	Android 1.5 API	9545	Wed May 06 22:42:48 BST 2009	com.android.settings
ActivityManager.java	API Doc	Android 5.1 API	100615	Thu Mar 12 22:22:08 GMT 2015	android.app