Update to v4.19 kernel headers.

Test: Builds and boots.
Change-Id: I99a9ed79666e143b47f02ca4e59eed94f69b7e4a
(cherry picked from commit a981e2e52e2e95a65fa9c9b6fb16dcb4c83dd576)
diff --git a/tests/headers/posix/sys_msg_h.c b/tests/headers/posix/sys_msg_h.c
index b908188..b02cd47 100644
--- a/tests/headers/posix/sys_msg_h.c
+++ b/tests/headers/posix/sys_msg_h.c
@@ -26,6 +26,8 @@
  * SUCH DAMAGE.
  */
 
+#if defined(__BIONIC__)
+
 #include <sys/msg.h>
 
 #include "header_checks.h"
@@ -42,9 +44,16 @@
   STRUCT_MEMBER(struct msqid_ds, msglen_t, msg_qbytes);
   STRUCT_MEMBER(struct msqid_ds, pid_t, msg_lspid);
   STRUCT_MEMBER(struct msqid_ds, pid_t, msg_lrpid);
+#if defined(__LP64__)
   STRUCT_MEMBER(struct msqid_ds, time_t, msg_stime);
   STRUCT_MEMBER(struct msqid_ds, time_t, msg_rtime);
   STRUCT_MEMBER(struct msqid_ds, time_t, msg_ctime);
+#else
+  // Starting at kernel v4.19, 32 bit changed these to unsigned values.
+  STRUCT_MEMBER(struct msqid_ds, unsigned long, msg_stime);
+  STRUCT_MEMBER(struct msqid_ds, unsigned long, msg_rtime);
+  STRUCT_MEMBER(struct msqid_ds, unsigned long, msg_ctime);
+#endif
 
   TYPE(pid_t);
   TYPE(size_t);
@@ -56,3 +65,4 @@
   FUNCTION(msgrcv, ssize_t (*f)(int, void*, size_t, long, int));
   FUNCTION(msgsnd, int (*f)(int, const void*, size_t, int));
 }
+#endif