Update to v6.2 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.2

Test: Bionic unit tests pass.
Change-Id: I9f665add01ebeb155dd8a934308897f90000a557
diff --git a/libc/kernel/uapi/linux/if_tun.h b/libc/kernel/uapi/linux/if_tun.h
index dda0830..93bac9c 100644
--- a/libc/kernel/uapi/linux/if_tun.h
+++ b/libc/kernel/uapi/linux/if_tun.h
@@ -73,6 +73,8 @@
 #define TUN_F_TSO6 0x04
 #define TUN_F_TSO_ECN 0x08
 #define TUN_F_UFO 0x10
+#define TUN_F_USO4 0x20
+#define TUN_F_USO6 0x40
 #define TUN_PKT_STRIP 0x0001
 struct tun_pi {
   __u16 flags;