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/pkt_cls.h b/libc/kernel/uapi/linux/pkt_cls.h
index cc5518c..dd096d9 100644
--- a/libc/kernel/uapi/linux/pkt_cls.h
+++ b/libc/kernel/uapi/linux/pkt_cls.h
@@ -29,8 +29,10 @@
   TCA_ACT_STATS,
   TCA_ACT_PAD,
   TCA_ACT_COOKIE,
+  TCA_ACT_FLAGS,
   __TCA_ACT_MAX
 };
+#define TCA_ACT_FLAGS_NO_PERCPU_STATS 1
 #define TCA_ACT_MAX __TCA_ACT_MAX
 #define TCA_OLD_COMPAT (TCA_ACT_MAX + 1)
 #define TCA_ACT_MAX_PRIO 32
@@ -456,6 +458,8 @@
 enum {
   TCA_FLOWER_KEY_ENC_OPTS_UNSPEC,
   TCA_FLOWER_KEY_ENC_OPTS_GENEVE,
+  TCA_FLOWER_KEY_ENC_OPTS_VXLAN,
+  TCA_FLOWER_KEY_ENC_OPTS_ERSPAN,
   __TCA_FLOWER_KEY_ENC_OPTS_MAX,
 };
 #define TCA_FLOWER_KEY_ENC_OPTS_MAX (__TCA_FLOWER_KEY_ENC_OPTS_MAX - 1)
@@ -468,6 +472,21 @@
 };
 #define TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX (__TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX - 1)
 enum {
+  TCA_FLOWER_KEY_ENC_OPT_VXLAN_UNSPEC,
+  TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP,
+  __TCA_FLOWER_KEY_ENC_OPT_VXLAN_MAX,
+};
+#define TCA_FLOWER_KEY_ENC_OPT_VXLAN_MAX (__TCA_FLOWER_KEY_ENC_OPT_VXLAN_MAX - 1)
+enum {
+  TCA_FLOWER_KEY_ENC_OPT_ERSPAN_UNSPEC,
+  TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER,
+  TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX,
+  TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR,
+  TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID,
+  __TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX,
+};
+#define TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX (__TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX - 1)
+enum {
   TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT = (1 << 0),
   TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST = (1 << 1),
 };