Update to v5.5 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.5

Test: Boots on walleye.
Test: Ran bionic-unit-tests on walleye.
Test: Boots on cuttlefish.
Test: Ran bionic-unit-tests on cuttlefish.
Change-Id: I57387d3c31e0ba5ad125ffe291cecf365c7b374e
Merged-In: I57387d3c31e0ba5ad125ffe291cecf365c7b374e
diff --git a/libc/kernel/uapi/linux/lwtunnel.h b/libc/kernel/uapi/linux/lwtunnel.h
index 05cc4fd..f1e2ab8 100644
--- a/libc/kernel/uapi/linux/lwtunnel.h
+++ b/libc/kernel/uapi/linux/lwtunnel.h
@@ -40,6 +40,7 @@
   LWTUNNEL_IP_TOS,
   LWTUNNEL_IP_FLAGS,
   LWTUNNEL_IP_PAD,
+  LWTUNNEL_IP_OPTS,
   __LWTUNNEL_IP_MAX,
 };
 #define LWTUNNEL_IP_MAX (__LWTUNNEL_IP_MAX - 1)
@@ -52,10 +53,42 @@
   LWTUNNEL_IP6_TC,
   LWTUNNEL_IP6_FLAGS,
   LWTUNNEL_IP6_PAD,
+  LWTUNNEL_IP6_OPTS,
   __LWTUNNEL_IP6_MAX,
 };
 #define LWTUNNEL_IP6_MAX (__LWTUNNEL_IP6_MAX - 1)
 enum {
+  LWTUNNEL_IP_OPTS_UNSPEC,
+  LWTUNNEL_IP_OPTS_GENEVE,
+  LWTUNNEL_IP_OPTS_VXLAN,
+  LWTUNNEL_IP_OPTS_ERSPAN,
+  __LWTUNNEL_IP_OPTS_MAX,
+};
+#define LWTUNNEL_IP_OPTS_MAX (__LWTUNNEL_IP_OPTS_MAX - 1)
+enum {
+  LWTUNNEL_IP_OPT_GENEVE_UNSPEC,
+  LWTUNNEL_IP_OPT_GENEVE_CLASS,
+  LWTUNNEL_IP_OPT_GENEVE_TYPE,
+  LWTUNNEL_IP_OPT_GENEVE_DATA,
+  __LWTUNNEL_IP_OPT_GENEVE_MAX,
+};
+#define LWTUNNEL_IP_OPT_GENEVE_MAX (__LWTUNNEL_IP_OPT_GENEVE_MAX - 1)
+enum {
+  LWTUNNEL_IP_OPT_VXLAN_UNSPEC,
+  LWTUNNEL_IP_OPT_VXLAN_GBP,
+  __LWTUNNEL_IP_OPT_VXLAN_MAX,
+};
+#define LWTUNNEL_IP_OPT_VXLAN_MAX (__LWTUNNEL_IP_OPT_VXLAN_MAX - 1)
+enum {
+  LWTUNNEL_IP_OPT_ERSPAN_UNSPEC,
+  LWTUNNEL_IP_OPT_ERSPAN_VER,
+  LWTUNNEL_IP_OPT_ERSPAN_INDEX,
+  LWTUNNEL_IP_OPT_ERSPAN_DIR,
+  LWTUNNEL_IP_OPT_ERSPAN_HWID,
+  __LWTUNNEL_IP_OPT_ERSPAN_MAX,
+};
+#define LWTUNNEL_IP_OPT_ERSPAN_MAX (__LWTUNNEL_IP_OPT_ERSPAN_MAX - 1)
+enum {
   LWT_BPF_PROG_UNSPEC,
   LWT_BPF_PROG_FD,
   LWT_BPF_PROG_NAME,