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/auto_fs.h b/libc/kernel/uapi/linux/auto_fs.h
index a195375..b3b045f 100644
--- a/libc/kernel/uapi/linux/auto_fs.h
+++ b/libc/kernel/uapi/linux/auto_fs.h
@@ -34,31 +34,31 @@
 #define autofs_ptype_missing 0
 #define autofs_ptype_expire 1
 struct autofs_packet_hdr {
- int proto_version;
+  int proto_version;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int type;
+  int type;
 };
 struct autofs_packet_missing {
- struct autofs_packet_hdr hdr;
+  struct autofs_packet_hdr hdr;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- autofs_wqt_t wait_queue_token;
- int len;
- char name[NAME_MAX+1];
+  autofs_wqt_t wait_queue_token;
+  int len;
+  char name[NAME_MAX + 1];
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct autofs_packet_expire {
- struct autofs_packet_hdr hdr;
- int len;
- char name[NAME_MAX+1];
+  struct autofs_packet_hdr hdr;
+  int len;
+  char name[NAME_MAX + 1];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-#define AUTOFS_IOC_READY _IO(0x93,0x60)
-#define AUTOFS_IOC_FAIL _IO(0x93,0x61)
-#define AUTOFS_IOC_CATATONIC _IO(0x93,0x62)
+#define AUTOFS_IOC_READY _IO(0x93, 0x60)
+#define AUTOFS_IOC_FAIL _IO(0x93, 0x61)
+#define AUTOFS_IOC_CATATONIC _IO(0x93, 0x62)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define AUTOFS_IOC_PROTOVER _IOR(0x93,0x63,int)
-#define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,compat_ulong_t)
-#define AUTOFS_IOC_SETTIMEOUT _IOWR(0x93,0x64,unsigned long)
-#define AUTOFS_IOC_EXPIRE _IOR(0x93,0x65,struct autofs_packet_expire)
+#define AUTOFS_IOC_PROTOVER _IOR(0x93, 0x63, int)
+#define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93, 0x64, compat_ulong_t)
+#define AUTOFS_IOC_SETTIMEOUT _IOWR(0x93, 0x64, unsigned long)
+#define AUTOFS_IOC_EXPIRE _IOR(0x93, 0x65, struct autofs_packet_expire)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif