Update to v5.12 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.12

Test: Boots flame device and runs bionic unit tests.
Test: Boots acloud device and runs bionic unit tests.

Change-Id: I8ac107ce9d4978be3ef9517b90ad6ecafd06785a
diff --git a/libc/kernel/uapi/linux/mempolicy.h b/libc/kernel/uapi/linux/mempolicy.h
index 6f721f6..5425c0e 100644
--- a/libc/kernel/uapi/linux/mempolicy.h
+++ b/libc/kernel/uapi/linux/mempolicy.h
@@ -29,7 +29,8 @@
 };
 #define MPOL_F_STATIC_NODES (1 << 15)
 #define MPOL_F_RELATIVE_NODES (1 << 14)
-#define MPOL_MODE_FLAGS (MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES)
+#define MPOL_F_NUMA_BALANCING (1 << 13)
+#define MPOL_MODE_FLAGS (MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES | MPOL_F_NUMA_BALANCING)
 #define MPOL_F_NODE (1 << 0)
 #define MPOL_F_ADDR (1 << 1)
 #define MPOL_F_MEMS_ALLOWED (1 << 2)