Switch kernel header parsing to python libclang

Replace the tokenizer in cpp.py with libclang.

Bug: 18937958
Change-Id: I27630904c6d2849418cd5ca3d3c612ec3078686d
diff --git a/libc/kernel/uapi/linux/utsname.h b/libc/kernel/uapi/linux/utsname.h
index ee5ee97..4447d18 100644
--- a/libc/kernel/uapi/linux/utsname.h
+++ b/libc/kernel/uapi/linux/utsname.h
@@ -21,31 +21,31 @@
 #define __OLD_UTS_LEN 8
 struct oldold_utsname {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- char sysname[9];
- char nodename[9];
- char release[9];
- char version[9];
+  char sysname[9];
+  char nodename[9];
+  char release[9];
+  char version[9];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- char machine[9];
+  char machine[9];
 };
 #define __NEW_UTS_LEN 64
 struct old_utsname {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- char sysname[65];
- char nodename[65];
- char release[65];
- char version[65];
+  char sysname[65];
+  char nodename[65];
+  char release[65];
+  char version[65];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- char machine[65];
+  char machine[65];
 };
 struct new_utsname {
- char sysname[__NEW_UTS_LEN + 1];
+  char sysname[__NEW_UTS_LEN + 1];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- char nodename[__NEW_UTS_LEN + 1];
- char release[__NEW_UTS_LEN + 1];
- char version[__NEW_UTS_LEN + 1];
- char machine[__NEW_UTS_LEN + 1];
+  char nodename[__NEW_UTS_LEN + 1];
+  char release[__NEW_UTS_LEN + 1];
+  char version[__NEW_UTS_LEN + 1];
+  char machine[__NEW_UTS_LEN + 1];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- char domainname[__NEW_UTS_LEN + 1];
+  char domainname[__NEW_UTS_LEN + 1];
 };
 #endif