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/netlink_diag.h b/libc/kernel/uapi/linux/netlink_diag.h
index 06e5002..ebf6374 100644
--- a/libc/kernel/uapi/linux/netlink_diag.h
+++ b/libc/kernel/uapi/linux/netlink_diag.h
@@ -21,43 +21,43 @@
 #include <linux/types.h>
 struct netlink_diag_req {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 sdiag_family;
- __u8 sdiag_protocol;
- __u16 pad;
- __u32 ndiag_ino;
+  __u8 sdiag_family;
+  __u8 sdiag_protocol;
+  __u16 pad;
+  __u32 ndiag_ino;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 ndiag_show;
- __u32 ndiag_cookie[2];
+  __u32 ndiag_show;
+  __u32 ndiag_cookie[2];
 };
 struct netlink_diag_msg {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 ndiag_family;
- __u8 ndiag_type;
- __u8 ndiag_protocol;
- __u8 ndiag_state;
+  __u8 ndiag_family;
+  __u8 ndiag_type;
+  __u8 ndiag_protocol;
+  __u8 ndiag_state;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 ndiag_portid;
- __u32 ndiag_dst_portid;
- __u32 ndiag_dst_group;
- __u32 ndiag_ino;
+  __u32 ndiag_portid;
+  __u32 ndiag_dst_portid;
+  __u32 ndiag_dst_group;
+  __u32 ndiag_ino;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 ndiag_cookie[2];
+  __u32 ndiag_cookie[2];
 };
 struct netlink_diag_ring {
- __u32 ndr_block_size;
+  __u32 ndr_block_size;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 ndr_block_nr;
- __u32 ndr_frame_size;
- __u32 ndr_frame_nr;
+  __u32 ndr_block_nr;
+  __u32 ndr_frame_size;
+  __u32 ndr_frame_nr;
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum {
- NETLINK_DIAG_MEMINFO,
- NETLINK_DIAG_GROUPS,
- NETLINK_DIAG_RX_RING,
+  NETLINK_DIAG_MEMINFO,
+  NETLINK_DIAG_GROUPS,
+  NETLINK_DIAG_RX_RING,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NETLINK_DIAG_TX_RING,
- __NETLINK_DIAG_MAX,
+  NETLINK_DIAG_TX_RING,
+  __NETLINK_DIAG_MAX,
 };
 #define NETLINK_DIAG_MAX (__NETLINK_DIAG_MAX - 1)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */