Update to v5.8 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.8

Test: NA
Change-Id: I2231c877589820fc09800a200cf4ac62ba74b04c
diff --git a/libc/kernel/uapi/linux/stat.h b/libc/kernel/uapi/linux/stat.h
index 98fdbea..919763e 100644
--- a/libc/kernel/uapi/linux/stat.h
+++ b/libc/kernel/uapi/linux/stat.h
@@ -77,7 +77,9 @@
   __u32 stx_rdev_minor;
   __u32 stx_dev_major;
   __u32 stx_dev_minor;
-  __u64 __spare2[14];
+  __u64 stx_mnt_id;
+  __u64 __spare2;
+  __u64 __spare3[12];
 };
 #define STATX_TYPE 0x00000001U
 #define STATX_MODE 0x00000002U
@@ -92,13 +94,16 @@
 #define STATX_BLOCKS 0x00000400U
 #define STATX_BASIC_STATS 0x000007ffU
 #define STATX_BTIME 0x00000800U
-#define STATX_ALL 0x00000fffU
+#define STATX_MNT_ID 0x00001000U
 #define STATX__RESERVED 0x80000000U
+#define STATX_ALL 0x00000fffU
 #define STATX_ATTR_COMPRESSED 0x00000004
 #define STATX_ATTR_IMMUTABLE 0x00000010
 #define STATX_ATTR_APPEND 0x00000020
 #define STATX_ATTR_NODUMP 0x00000040
 #define STATX_ATTR_ENCRYPTED 0x00000800
 #define STATX_ATTR_AUTOMOUNT 0x00001000
+#define STATX_ATTR_MOUNT_ROOT 0x00002000
 #define STATX_ATTR_VERITY 0x00100000
+#define STATX_ATTR_DAX 0x00002000
 #endif