Class android.os.UserManager

Added Methods
long getUserCreationTime(UserHandle)  
boolean isSystemUser()  
 

Changed Methods
boolean setRestrictionsChallenge(String) Now deprecated.
 
 

Added Fields
String ALLOW_PARENT_PROFILE_APP_LINKING  
String DISALLOW_FUN  
String DISALLOW_NETWORK_RESET  
String DISALLOW_SAFE_BOOT