ANDROID: uid_sys_stats: fix the comment

It is not uid_cputime.c anymore.

Change-Id: I7effc2a449c1f9cba9d86a7b122a9c05fc266405
Signed-off-by: Artem Borisov <dedsa2002@gmail.com>
diff --git a/drivers/misc/uid_sys_stats.c b/drivers/misc/uid_sys_stats.c
index 031320e..0e6ab4e7 100644
--- a/drivers/misc/uid_sys_stats.c
+++ b/drivers/misc/uid_sys_stats.c
@@ -1,4 +1,4 @@
-/* drivers/misc/uid_cputime.c
+/* drivers/misc/uid_sys_stats.c
  *
  * Copyright (C) 2014 - 2015 Google, Inc.
  *