Update to v5.5 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.5

Test: Boots on walleye.
Test: Ran bionic-unit-tests on walleye.
Test: Boots on cuttlefish.
Test: Ran bionic-unit-tests on cuttlefish.
Change-Id: I57387d3c31e0ba5ad125ffe291cecf365c7b374e
Merged-In: I57387d3c31e0ba5ad125ffe291cecf365c7b374e
diff --git a/libc/kernel/uapi/asm-x86/asm/msgbuf.h b/libc/kernel/uapi/asm-x86/asm/msgbuf.h
index 92ab491..b100b20 100644
--- a/libc/kernel/uapi/asm-x86/asm/msgbuf.h
+++ b/libc/kernel/uapi/asm-x86/asm/msgbuf.h
@@ -21,11 +21,12 @@
 #if !defined(__x86_64__) || !defined(__ILP32__)
 #include <asm-generic/msgbuf.h>
 #else
+#include <asm/ipcbuf.h>
 struct msqid64_ds {
   struct ipc64_perm msg_perm;
-  __kernel_time_t msg_stime;
-  __kernel_time_t msg_rtime;
-  __kernel_time_t msg_ctime;
+  __kernel_long_t msg_stime;
+  __kernel_long_t msg_rtime;
+  __kernel_long_t msg_ctime;
   __kernel_ulong_t msg_cbytes;
   __kernel_ulong_t msg_qnum;
   __kernel_ulong_t msg_qbytes;