Update kernel headers to v3.14.

Other changes:
- Modify update_all.py to skip ion header files when importing into aosp.
- Fix generate_uapi_headers.sh to handle imports from a linux-stable kernel.

Change-Id: I1ad81b9ccb063c21740f9875f2cc1238052cd4b3
diff --git a/libc/kernel/uapi/linux/if_tun.h b/libc/kernel/uapi/linux/if_tun.h
index edcf7e4..f8f80b9 100644
--- a/libc/kernel/uapi/linux/if_tun.h
+++ b/libc/kernel/uapi/linux/if_tun.h
@@ -58,36 +58,42 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TUNSETVNETHDRSZ _IOW('T', 216, int)
 #define TUNSETQUEUE _IOW('T', 217, int)
+#define TUNSETIFINDEX _IOW('T', 218, unsigned int)
+#define TUNGETFILTER _IOR('T', 219, struct sock_fprog)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IFF_TUN 0x0001
 #define IFF_TAP 0x0002
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IFF_NO_PI 0x1000
 #define IFF_ONE_QUEUE 0x2000
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IFF_VNET_HDR 0x4000
 #define IFF_TUN_EXCL 0x8000
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IFF_MULTI_QUEUE 0x0100
 #define IFF_ATTACH_QUEUE 0x0200
-#define IFF_DETACH_QUEUE 0x0400
-#define TUN_F_CSUM 0x01
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IFF_DETACH_QUEUE 0x0400
+#define IFF_PERSIST 0x0800
+#define IFF_NOFILTER 0x1000
+#define TUN_TX_TIMESTAMP 1
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define TUN_F_CSUM 0x01
 #define TUN_F_TSO4 0x02
 #define TUN_F_TSO6 0x04
 #define TUN_F_TSO_ECN 0x08
-#define TUN_F_UFO 0x10
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define TUN_F_UFO 0x10
 #define TUN_PKT_STRIP 0x0001
 struct tun_pi {
  __u16 flags;
- __be16 proto;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __be16 proto;
 };
 #define TUN_FLT_ALLMULTI 0x0001
 struct tun_filter {
- __u16 flags;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u16 flags;
  __u16 count;
  __u8 addr[0][ETH_ALEN];
 };
-#endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#endif