Update to v6.0 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.0

Test: Boots on coral.
Test: Bionic unit tests pass.
Change-Id: I282de83f23b432bef58214108a93700bdadddf0f
diff --git a/libc/kernel/uapi/linux/if_tun.h b/libc/kernel/uapi/linux/if_tun.h
index d1a8f9e..dda0830 100644
--- a/libc/kernel/uapi/linux/if_tun.h
+++ b/libc/kernel/uapi/linux/if_tun.h
@@ -57,6 +57,7 @@
 #define IFF_TAP 0x0002
 #define IFF_NAPI 0x0010
 #define IFF_NAPI_FRAGS 0x0020
+#define IFF_NO_CARRIER 0x0040
 #define IFF_NO_PI 0x1000
 #define IFF_ONE_QUEUE 0x2000
 #define IFF_VNET_HDR 0x4000
@@ -81,6 +82,6 @@
 struct tun_filter {
   __u16 flags;
   __u16 count;
-  __u8 addr[0][ETH_ALEN];
+  __u8 addr[][ETH_ALEN];
 };
 #endif