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/tcp_metrics.h b/libc/kernel/uapi/linux/tcp_metrics.h
index 4826bf0..449ec95 100644
--- a/libc/kernel/uapi/linux/tcp_metrics.h
+++ b/libc/kernel/uapi/linux/tcp_metrics.h
@@ -48,17 +48,19 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  TCP_METRICS_ATTR_FOPEN_SYN_DROP_TS,
  TCP_METRICS_ATTR_FOPEN_COOKIE,
+ TCP_METRICS_ATTR_SADDR_IPV4,
+ TCP_METRICS_ATTR_SADDR_IPV6,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __TCP_METRICS_ATTR_MAX,
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TCP_METRICS_ATTR_MAX (__TCP_METRICS_ATTR_MAX - 1)
 enum {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  TCP_METRICS_CMD_UNSPEC,
  TCP_METRICS_CMD_GET,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  TCP_METRICS_CMD_DEL,
  __TCP_METRICS_CMD_MAX,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define TCP_METRICS_CMD_MAX (__TCP_METRICS_CMD_MAX - 1)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif