Update to kernel headers v4.9.3.

Test: Built arm, arm64, x86, x86_64 targets.
Test: Booted on angler, and ran bionic unit tests (32 bit and 64 bit).

Change-Id: I14a8dcbea11b41f83431eabed6590cd25af07b1d
diff --git a/libc/kernel/uapi/linux/magic.h b/libc/kernel/uapi/linux/magic.h
index 11b15b6..b2b9b15 100644
--- a/libc/kernel/uapi/linux/magic.h
+++ b/libc/kernel/uapi/linux/magic.h
@@ -84,25 +84,26 @@
 #define TRACEFS_MAGIC 0x74726163
 #define V9FS_MAGIC 0x01021997
 #define BDEVFS_MAGIC 0x62646576
-#define BINFMTFS_MAGIC 0x42494e4d
+#define DAXFS_MAGIC 0x64646178
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define BINFMTFS_MAGIC 0x42494e4d
 #define DEVPTS_SUPER_MAGIC 0x1cd1
 #define FUTEXFS_SUPER_MAGIC 0xBAD1DEA
 #define PIPEFS_MAGIC 0x50495045
-#define PROC_SUPER_MAGIC 0x9fa0
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define PROC_SUPER_MAGIC 0x9fa0
 #define SOCKFS_MAGIC 0x534F434B
 #define SYSFS_MAGIC 0x62656572
 #define USBDEVICE_SUPER_MAGIC 0x9fa2
-#define MTD_INODE_FS_MAGIC 0x11307854
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MTD_INODE_FS_MAGIC 0x11307854
 #define ANON_INODE_FS_MAGIC 0x09041934
 #define BTRFS_TEST_MAGIC 0x73727279
 #define NSFS_MAGIC 0x6e736673
-#define BPF_FS_MAGIC 0xcafe4a11
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define BPF_FS_MAGIC 0xcafe4a11
 #define UDF_SUPER_MAGIC 0x15013346
 #define BALLOON_KVM_MAGIC 0x13661366
 #define ZSMALLOC_MAGIC 0x58295829
-#endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#endif