wait4(): retrieve dead team entries usage information.

* This adds a parameter to the wait_for_child syscall. I extended the test case
to show the actual retrieved information.
* fix #13546

headers/private/kernel/team.h

@@ -69,7 +69,8 @@ thread_id _user_load_image(const char* const* flatArgs, size_t flatArgsSize,
 status_t _user_wait_for_team(team_id id, status_t *_returnCode);
 void _user_exit_team(status_t returnValue);
 status_t _user_kill_team(thread_id thread);
-pid_t _user_wait_for_child(thread_id child, uint32 flags, siginfo_t* info);
+pid_t _user_wait_for_child(thread_id child, uint32 flags, siginfo_t* info,
+			team_usage_info* usageInfo);
 status_t _user_exec(const char *path, const char* const* flatArgs,
 			size_t flatArgsSize, int32 argCount, int32 envCount, mode_t umask);
 thread_id _user_fork(void);

headers/private/kernel/thread_types.h

@@ -116,6 +116,8 @@ struct job_control_entry : DoublyLinkedListLinkImpl<job_control_entry> {
 	status_t			status;
 	uint16				reason;		// reason for the team's demise, one of the
 									// CLD_* values defined in <signal.h>
+	bigtime_t			user_time;
+	bigtime_t			kernel_time;
 
 	job_control_entry();
 	~job_control_entry();

headers/private/system/syscalls.h

@@ -141,7 +141,7 @@ extern status_t		_kern_kill_team(team_id team);
 extern team_id		_kern_get_current_team();
 extern status_t		_kern_wait_for_team(team_id team, status_t *_returnCode);
 extern pid_t		_kern_wait_for_child(thread_id child, uint32 flags,
-						siginfo_t* info);
+						siginfo_t* info, team_usage_info* usageInfo);
 extern status_t		_kern_exec(const char *path, const char* const* flatArgs,
 						size_t flatArgsSize, int32 argCount, int32 envCount,
 						mode_t umask);