Update to v5.9 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.9

Test: Boots cuttlefish 64bit, passes 32 bit and 64 bit bionic unit tests.
Change-Id: Ib5503355b238ea75595538e63eb000c867d06ef7
diff --git a/libc/kernel/uapi/linux/xdp_diag.h b/libc/kernel/uapi/linux/xdp_diag.h
index f7d203f..1fe9d49 100644
--- a/libc/kernel/uapi/linux/xdp_diag.h
+++ b/libc/kernel/uapi/linux/xdp_diag.h
@@ -38,6 +38,7 @@
 #define XDP_SHOW_RING_CFG (1 << 1)
 #define XDP_SHOW_UMEM (1 << 2)
 #define XDP_SHOW_MEMINFO (1 << 3)
+#define XDP_SHOW_STATS (1 << 4)
 enum {
   XDP_DIAG_NONE,
   XDP_DIAG_INFO,
@@ -48,6 +49,7 @@
   XDP_DIAG_UMEM_FILL_RING,
   XDP_DIAG_UMEM_COMPLETION_RING,
   XDP_DIAG_MEMINFO,
+  XDP_DIAG_STATS,
   __XDP_DIAG_MAX,
 };
 #define XDP_DIAG_MAX (__XDP_DIAG_MAX - 1)
@@ -70,4 +72,12 @@
   __u32 flags;
   __u32 refs;
 };
+struct xdp_diag_stats {
+  __u64 n_rx_dropped;
+  __u64 n_rx_invalid;
+  __u64 n_rx_full;
+  __u64 n_fill_ring_empty;
+  __u64 n_tx_invalid;
+  __u64 n_tx_ring_empty;
+};
 #endif