Update to v5.10 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.10

Test: Built cuttlefish and flame images. Ran bionic unit tests on both.
Change-Id: I37ffc850970adcce1febbe2269c202632fce763a
diff --git a/libc/kernel/uapi/linux/ethtool_netlink.h b/libc/kernel/uapi/linux/ethtool_netlink.h
index da4fb46..95761dd 100644
--- a/libc/kernel/uapi/linux/ethtool_netlink.h
+++ b/libc/kernel/uapi/linux/ethtool_netlink.h
@@ -88,7 +88,8 @@
 };
 #define ETHTOOL_FLAG_COMPACT_BITSETS (1 << 0)
 #define ETHTOOL_FLAG_OMIT_REPLY (1 << 1)
-#define ETHTOOL_FLAG_ALL (ETHTOOL_FLAG_COMPACT_BITSETS | ETHTOOL_FLAG_OMIT_REPLY)
+#define ETHTOOL_FLAG_STATS (1 << 2)
+#define ETHTOOL_FLAG_ALL (ETHTOOL_FLAG_COMPACT_BITSETS | ETHTOOL_FLAG_OMIT_REPLY | ETHTOOL_FLAG_STATS)
 enum {
   ETHTOOL_A_HEADER_UNSPEC,
   ETHTOOL_A_HEADER_DEV_INDEX,
@@ -285,10 +286,19 @@
   ETHTOOL_A_PAUSE_AUTONEG,
   ETHTOOL_A_PAUSE_RX,
   ETHTOOL_A_PAUSE_TX,
+  ETHTOOL_A_PAUSE_STATS,
   __ETHTOOL_A_PAUSE_CNT,
   ETHTOOL_A_PAUSE_MAX = (__ETHTOOL_A_PAUSE_CNT - 1)
 };
 enum {
+  ETHTOOL_A_PAUSE_STAT_UNSPEC,
+  ETHTOOL_A_PAUSE_STAT_PAD,
+  ETHTOOL_A_PAUSE_STAT_TX_FRAMES,
+  ETHTOOL_A_PAUSE_STAT_RX_FRAMES,
+  __ETHTOOL_A_PAUSE_STAT_CNT,
+  ETHTOOL_A_PAUSE_STAT_MAX = (__ETHTOOL_A_PAUSE_STAT_CNT - 1)
+};
+enum {
   ETHTOOL_A_EEE_UNSPEC,
   ETHTOOL_A_EEE_HEADER,
   ETHTOOL_A_EEE_MODES_OURS,