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/if_vlan.h b/libc/kernel/uapi/linux/if_vlan.h
index 4cf3c15..85a3239 100644
--- a/libc/kernel/uapi/linux/if_vlan.h
+++ b/libc/kernel/uapi/linux/if_vlan.h
@@ -19,51 +19,51 @@
 #ifndef _UAPI_LINUX_IF_VLAN_H_
 #define _UAPI_LINUX_IF_VLAN_H_
 enum vlan_ioctl_cmds {
- ADD_VLAN_CMD,
+  ADD_VLAN_CMD,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- DEL_VLAN_CMD,
- SET_VLAN_INGRESS_PRIORITY_CMD,
- SET_VLAN_EGRESS_PRIORITY_CMD,
- GET_VLAN_INGRESS_PRIORITY_CMD,
+  DEL_VLAN_CMD,
+  SET_VLAN_INGRESS_PRIORITY_CMD,
+  SET_VLAN_EGRESS_PRIORITY_CMD,
+  GET_VLAN_INGRESS_PRIORITY_CMD,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- GET_VLAN_EGRESS_PRIORITY_CMD,
- SET_VLAN_NAME_TYPE_CMD,
- SET_VLAN_FLAG_CMD,
- GET_VLAN_REALDEV_NAME_CMD,
+  GET_VLAN_EGRESS_PRIORITY_CMD,
+  SET_VLAN_NAME_TYPE_CMD,
+  SET_VLAN_FLAG_CMD,
+  GET_VLAN_REALDEV_NAME_CMD,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- GET_VLAN_VID_CMD
+  GET_VLAN_VID_CMD
 };
 enum vlan_flags {
- VLAN_FLAG_REORDER_HDR = 0x1,
+  VLAN_FLAG_REORDER_HDR = 0x1,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- VLAN_FLAG_GVRP = 0x2,
- VLAN_FLAG_LOOSE_BINDING = 0x4,
- VLAN_FLAG_MVRP = 0x8,
+  VLAN_FLAG_GVRP = 0x2,
+  VLAN_FLAG_LOOSE_BINDING = 0x4,
+  VLAN_FLAG_MVRP = 0x8,
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum vlan_name_types {
- VLAN_NAME_TYPE_PLUS_VID,
- VLAN_NAME_TYPE_RAW_PLUS_VID,
- VLAN_NAME_TYPE_PLUS_VID_NO_PAD,
+  VLAN_NAME_TYPE_PLUS_VID,
+  VLAN_NAME_TYPE_RAW_PLUS_VID,
+  VLAN_NAME_TYPE_PLUS_VID_NO_PAD,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD,
- VLAN_NAME_TYPE_HIGHEST
+  VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD,
+  VLAN_NAME_TYPE_HIGHEST
 };
 struct vlan_ioctl_args {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int cmd;
- char device1[24];
- union {
- char device2[24];
+  int cmd;
+  char device1[24];
+  union {
+    char device2[24];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int VID;
- unsigned int skb_priority;
- unsigned int name_type;
- unsigned int bind_type;
+    int VID;
+    unsigned int skb_priority;
+    unsigned int name_type;
+    unsigned int bind_type;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned int flag;
- } u;
- short vlan_qos;
+    unsigned int flag;
+  } u;
+  short vlan_qos;
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif