Update to v6.9 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.9

Test: Builds and bionic unit tests pass on raven.
Test: Able to log in to an Android GO 32 bit device.
Change-Id: If53a38bbb65c3c653ce790fe5c6e51597901a14e
diff --git a/libc/kernel/uapi/linux/nexthop.h b/libc/kernel/uapi/linux/nexthop.h
index ea68f62..5726a66 100644
--- a/libc/kernel/uapi/linux/nexthop.h
+++ b/libc/kernel/uapi/linux/nexthop.h
@@ -26,6 +26,8 @@
   __NEXTHOP_GRP_TYPE_MAX,
 };
 #define NEXTHOP_GRP_TYPE_MAX (__NEXTHOP_GRP_TYPE_MAX - 1)
+#define NHA_OP_FLAG_DUMP_STATS BIT(0)
+#define NHA_OP_FLAG_DUMP_HW_STATS BIT(1)
 enum {
   NHA_UNSPEC,
   NHA_ID,
@@ -41,6 +43,10 @@
   NHA_FDB,
   NHA_RES_GROUP,
   NHA_RES_BUCKET,
+  NHA_OP_FLAGS,
+  NHA_GROUP_STATS,
+  NHA_HW_STATS_ENABLE,
+  NHA_HW_STATS_USED,
   __NHA_MAX,
 };
 #define NHA_MAX (__NHA_MAX - 1)
@@ -63,4 +69,18 @@
   __NHA_RES_BUCKET_MAX,
 };
 #define NHA_RES_BUCKET_MAX (__NHA_RES_BUCKET_MAX - 1)
+enum {
+  NHA_GROUP_STATS_UNSPEC,
+  NHA_GROUP_STATS_ENTRY,
+  __NHA_GROUP_STATS_MAX,
+};
+#define NHA_GROUP_STATS_MAX (__NHA_GROUP_STATS_MAX - 1)
+enum {
+  NHA_GROUP_STATS_ENTRY_UNSPEC,
+  NHA_GROUP_STATS_ENTRY_ID,
+  NHA_GROUP_STATS_ENTRY_PACKETS,
+  NHA_GROUP_STATS_ENTRY_PACKETS_HW,
+  __NHA_GROUP_STATS_ENTRY_MAX,
+};
+#define NHA_GROUP_STATS_ENTRY_MAX (__NHA_GROUP_STATS_ENTRY_MAX - 1)
 #endif