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/netconf.h b/libc/kernel/uapi/linux/netconf.h
index 4c9aad3..2bf09d1 100644
--- a/libc/kernel/uapi/linux/netconf.h
+++ b/libc/kernel/uapi/linux/netconf.h
@@ -32,10 +32,12 @@
  NETCONFA_RP_FILTER,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  NETCONFA_MC_FORWARDING,
+ NETCONFA_PROXY_NEIGH,
  __NETCONFA_MAX
 };
-#define NETCONFA_MAX (__NETCONFA_MAX - 1)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define NETCONFA_MAX (__NETCONFA_MAX - 1)
 #define NETCONFA_IFINDEX_ALL -1
 #define NETCONFA_IFINDEX_DEFAULT -2
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */