Update to v6.3 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-6.3

Test: Bionic unit tests pass.
Change-Id: I5270ef291a77343e47ef3a5fbd02b8cacf218ec5
diff --git a/libc/kernel/uapi/linux/ioam6.h b/libc/kernel/uapi/linux/ioam6.h
index e32c8e9..8d2a25b 100644
--- a/libc/kernel/uapi/linux/ioam6.h
+++ b/libc/kernel/uapi/linux/ioam6.h
@@ -58,6 +58,6 @@
 #error "Please fix <asm/byteorder.h>"
 #endif
 #define IOAM6_TRACE_DATA_SIZE_MAX 244
-  __u8 data[0];
+  __u8 data[];
 } __attribute__((packed));
 #endif