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/auto_dev-ioctl.h b/libc/kernel/uapi/linux/auto_dev-ioctl.h
new file mode 100644
index 0000000..c5b2b43
--- /dev/null
+++ b/libc/kernel/uapi/linux/auto_dev-ioctl.h
@@ -0,0 +1,146 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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 _UAPI_LINUX_AUTO_DEV_IOCTL_H
+#define _UAPI_LINUX_AUTO_DEV_IOCTL_H
+#include <linux/auto_fs.h>
+#include <linux/string.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define AUTOFS_DEVICE_NAME "autofs"
+#define AUTOFS_DEV_IOCTL_VERSION_MAJOR 1
+#define AUTOFS_DEV_IOCTL_VERSION_MINOR 0
+#define AUTOFS_DEV_IOCTL_SIZE sizeof(struct autofs_dev_ioctl)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct args_protover {
+  __u32 version;
+};
+struct args_protosubver {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u32 sub_version;
+};
+struct args_openmount {
+  __u32 devid;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+struct args_ready {
+  __u32 token;
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct args_fail {
+  __u32 token;
+  __s32 status;
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct args_setpipefd {
+  __s32 pipefd;
+};
+struct args_timeout {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u64 timeout;
+};
+struct args_requester {
+  __u32 uid;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u32 gid;
+};
+struct args_expire {
+  __u32 how;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+struct args_askumount {
+  __u32 may_umount;
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct args_ismountpoint {
+  union {
+    struct args_in {
+      __u32 type;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+    } in;
+    struct args_out {
+      __u32 devid;
+      __u32 magic;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+    } out;
+  };
+};
+struct autofs_dev_ioctl {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u32 ver_major;
+  __u32 ver_minor;
+  __u32 size;
+  __s32 ioctlfd;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  union {
+    struct args_protover protover;
+    struct args_protosubver protosubver;
+    struct args_openmount openmount;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+    struct args_ready ready;
+    struct args_fail fail;
+    struct args_setpipefd setpipefd;
+    struct args_timeout timeout;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+    struct args_requester requester;
+    struct args_expire expire;
+    struct args_askumount askumount;
+    struct args_ismountpoint ismountpoint;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  };
+  char path[0];
+};
+enum {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  AUTOFS_DEV_IOCTL_VERSION_CMD = 0x71,
+  AUTOFS_DEV_IOCTL_PROTOVER_CMD,
+  AUTOFS_DEV_IOCTL_PROTOSUBVER_CMD,
+  AUTOFS_DEV_IOCTL_OPENMOUNT_CMD,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD,
+  AUTOFS_DEV_IOCTL_READY_CMD,
+  AUTOFS_DEV_IOCTL_FAIL_CMD,
+  AUTOFS_DEV_IOCTL_SETPIPEFD_CMD,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  AUTOFS_DEV_IOCTL_CATATONIC_CMD,
+  AUTOFS_DEV_IOCTL_TIMEOUT_CMD,
+  AUTOFS_DEV_IOCTL_REQUESTER_CMD,
+  AUTOFS_DEV_IOCTL_EXPIRE_CMD,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  AUTOFS_DEV_IOCTL_ASKUMOUNT_CMD,
+  AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD,
+};
+#define AUTOFS_IOCTL 0x93
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define AUTOFS_DEV_IOCTL_VERSION _IOWR(AUTOFS_IOCTL, AUTOFS_DEV_IOCTL_VERSION_CMD, struct autofs_dev_ioctl)
+#define AUTOFS_DEV_IOCTL_PROTOVER _IOWR(AUTOFS_IOCTL, AUTOFS_DEV_IOCTL_PROTOVER_CMD, struct autofs_dev_ioctl)
+#define AUTOFS_DEV_IOCTL_PROTOSUBVER _IOWR(AUTOFS_IOCTL, AUTOFS_DEV_IOCTL_PROTOSUBVER_CMD, struct autofs_dev_ioctl)
+#define AUTOFS_DEV_IOCTL_OPENMOUNT _IOWR(AUTOFS_IOCTL, AUTOFS_DEV_IOCTL_OPENMOUNT_CMD, struct autofs_dev_ioctl)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define AUTOFS_DEV_IOCTL_CLOSEMOUNT _IOWR(AUTOFS_IOCTL, AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD, struct autofs_dev_ioctl)
+#define AUTOFS_DEV_IOCTL_READY _IOWR(AUTOFS_IOCTL, AUTOFS_DEV_IOCTL_READY_CMD, struct autofs_dev_ioctl)
+#define AUTOFS_DEV_IOCTL_FAIL _IOWR(AUTOFS_IOCTL, AUTOFS_DEV_IOCTL_FAIL_CMD, struct autofs_dev_ioctl)
+#define AUTOFS_DEV_IOCTL_SETPIPEFD _IOWR(AUTOFS_IOCTL, AUTOFS_DEV_IOCTL_SETPIPEFD_CMD, struct autofs_dev_ioctl)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define AUTOFS_DEV_IOCTL_CATATONIC _IOWR(AUTOFS_IOCTL, AUTOFS_DEV_IOCTL_CATATONIC_CMD, struct autofs_dev_ioctl)
+#define AUTOFS_DEV_IOCTL_TIMEOUT _IOWR(AUTOFS_IOCTL, AUTOFS_DEV_IOCTL_TIMEOUT_CMD, struct autofs_dev_ioctl)
+#define AUTOFS_DEV_IOCTL_REQUESTER _IOWR(AUTOFS_IOCTL, AUTOFS_DEV_IOCTL_REQUESTER_CMD, struct autofs_dev_ioctl)
+#define AUTOFS_DEV_IOCTL_EXPIRE _IOWR(AUTOFS_IOCTL, AUTOFS_DEV_IOCTL_EXPIRE_CMD, struct autofs_dev_ioctl)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define AUTOFS_DEV_IOCTL_ASKUMOUNT _IOWR(AUTOFS_IOCTL, AUTOFS_DEV_IOCTL_ASKUMOUNT_CMD, struct autofs_dev_ioctl)
+#define AUTOFS_DEV_IOCTL_ISMOUNTPOINT _IOWR(AUTOFS_IOCTL, AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD, struct autofs_dev_ioctl)
+#endif