Update build-tools to ab/8162587

https://ci.android.com/builds/branches/aosp-build-tools-release/grid?head=8162587&tail=8162587

Test: treehugger
Change-Id: Ic07050a8ff3ee1fa4ace3eeccc8fdc1b3605bd43
diff --git a/i686-linux-musl/include/asm-x86/asm/sembuf.h b/i686-linux-musl/include/asm-x86/asm/sembuf.h
new file mode 100644
index 0000000..c633425
--- /dev/null
+++ b/i686-linux-musl/include/asm-x86/asm/sembuf.h
@@ -0,0 +1,39 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _ASM_X86_SEMBUF_H
+#define _ASM_X86_SEMBUF_H
+#include <asm/ipcbuf.h>
+struct semid64_ds {
+  struct ipc64_perm sem_perm;
+#ifdef __i386__
+  unsigned long sem_otime;
+  unsigned long sem_otime_high;
+  unsigned long sem_ctime;
+  unsigned long sem_ctime_high;
+#else
+  __kernel_long_t sem_otime;
+  __kernel_ulong_t __unused1;
+  __kernel_long_t sem_ctime;
+  __kernel_ulong_t __unused2;
+#endif
+  __kernel_ulong_t sem_nsems;
+  __kernel_ulong_t __unused3;
+  __kernel_ulong_t __unused4;
+};
+#endif