Merge commit '45550faad0f683d1393ea20144246ed43fc19899' into gingerbread-plus-aosp * commit '45550faad0f683d1393ea20144246ed43fc19899': Don't send non-existent system keys.
Merge commit '45550faad0f683d1393ea20144246ed43fc19899' into gingerbread-plus-aosp * commit '45550faad0f683d1393ea20144246ed43fc19899': Don't send non-existent system keys.