Move glibc-syscalls.h into bits/.

Bug: http://b/28519060
Change-Id: I0de1ba16b16eb7b780de89954d3fa45cca2f5295
diff --git a/libc/include/sys/glibc-syscalls.h b/libc/include/bits/glibc-syscalls.h
similarity index 100%
rename from libc/include/sys/glibc-syscalls.h
rename to libc/include/bits/glibc-syscalls.h
diff --git a/libc/include/sys/syscall.h b/libc/include/sys/syscall.h
index 21eaf33..87cddc9 100644
--- a/libc/include/sys/syscall.h
+++ b/libc/include/sys/syscall.h
@@ -30,7 +30,7 @@
 #define _SYS_SYSCALL_H_
 
 #include <asm/unistd.h> /* Linux kernel __NR_* names. */
-#include <sys/glibc-syscalls.h> /* glibc-compatible SYS_* aliases. */
+#include <bits/glibc-syscalls.h> /* glibc-compatible SYS_* aliases. */
 
 /* The syscall function itself is declared in <unistd.h>, not here. */
 
diff --git a/libc/tools/gensyscalls.py b/libc/tools/gensyscalls.py
index 04ccf39..de06a2f 100755
--- a/libc/tools/gensyscalls.py
+++ b/libc/tools/gensyscalls.py
@@ -570,7 +570,7 @@
 
     def gen_glibc_syscalls_h(self):
         # TODO: generate a separate file for each architecture, like glibc's bits/syscall.h.
-        glibc_syscalls_h_path = "include/sys/glibc-syscalls.h"
+        glibc_syscalls_h_path = "include/bits/glibc-syscalls.h"
         logging.info("generating " + glibc_syscalls_h_path)
         glibc_fp = create_file(glibc_syscalls_h_path)
         glibc_fp.write("/* %s */\n" % warning)