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/atalk.h b/libc/kernel/uapi/linux/atalk.h
index b357b91..7154422 100644
--- a/libc/kernel/uapi/linux/atalk.h
+++ b/libc/kernel/uapi/linux/atalk.h
@@ -26,31 +26,31 @@
 #define ATPORT_RESERVED 128
 #define ATPORT_LAST 254
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define ATADDR_ANYNET (__u16)0
-#define ATADDR_ANYNODE (__u8)0
-#define ATADDR_ANYPORT (__u8)0
-#define ATADDR_BCAST (__u8)255
+#define ATADDR_ANYNET (__u16) 0
+#define ATADDR_ANYNODE (__u8) 0
+#define ATADDR_ANYPORT (__u8) 0
+#define ATADDR_BCAST (__u8) 255
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DDP_MAXSZ 587
 #define DDP_MAXHOPS 15
 #define SIOCATALKDIFADDR (SIOCPROTOPRIVATE + 0)
 struct atalk_addr {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __be16 s_net;
- __u8 s_node;
+  __be16 s_net;
+  __u8 s_node;
 };
 struct sockaddr_at {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __kernel_sa_family_t sat_family;
- __u8 sat_port;
- struct atalk_addr sat_addr;
- char sat_zero[8];
+  __kernel_sa_family_t sat_family;
+  __u8 sat_port;
+  struct atalk_addr sat_addr;
+  char sat_zero[8];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct atalk_netrange {
- __u8 nr_phase;
- __be16 nr_firstnet;
+  __u8 nr_phase;
+  __be16 nr_firstnet;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __be16 nr_lastnet;
+  __be16 nr_lastnet;
 };
 #endif