Update to v5.19 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.19

Test: Builds on coral.
Test: All bionic unit tests pass on a coral device.
Test: Able to log in to wembley system.
Change-Id: I6fa6f6edb59f2cef990a7ba96877d9f2d3974c62
diff --git a/libc/kernel/uapi/linux/landlock.h b/libc/kernel/uapi/linux/landlock.h
index 50d79d8..ea2fd74 100644
--- a/libc/kernel/uapi/linux/landlock.h
+++ b/libc/kernel/uapi/linux/landlock.h
@@ -43,4 +43,5 @@
 #define LANDLOCK_ACCESS_FS_MAKE_FIFO (1ULL << 10)
 #define LANDLOCK_ACCESS_FS_MAKE_BLOCK (1ULL << 11)
 #define LANDLOCK_ACCESS_FS_MAKE_SYM (1ULL << 12)
+#define LANDLOCK_ACCESS_FS_REFER (1ULL << 13)
 #endif