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/asm-arm/asm/stat.h b/libc/kernel/uapi/asm-arm/asm/stat.h
index b3425dd..5a78c01 100644
--- a/libc/kernel/uapi/asm-arm/asm/stat.h
+++ b/libc/kernel/uapi/asm-arm/asm/stat.h
@@ -19,73 +19,73 @@
 #ifndef _ASMARM_STAT_H
 #define _ASMARM_STAT_H
 struct __old_kernel_stat {
- unsigned short st_dev;
+  unsigned short st_dev;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned short st_ino;
- unsigned short st_mode;
- unsigned short st_nlink;
- unsigned short st_uid;
+  unsigned short st_ino;
+  unsigned short st_mode;
+  unsigned short st_nlink;
+  unsigned short st_uid;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned short st_gid;
- unsigned short st_rdev;
- unsigned long st_size;
- unsigned long st_atime;
+  unsigned short st_gid;
+  unsigned short st_rdev;
+  unsigned long st_size;
+  unsigned long st_atime;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long st_mtime;
- unsigned long st_ctime;
+  unsigned long st_mtime;
+  unsigned long st_ctime;
 };
 #define STAT_HAVE_NSEC
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct stat {
- unsigned long st_dev;
- unsigned long st_ino;
- unsigned short st_mode;
+  unsigned long st_dev;
+  unsigned long st_ino;
+  unsigned short st_mode;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned short st_nlink;
- unsigned short st_uid;
- unsigned short st_gid;
- unsigned long st_rdev;
+  unsigned short st_nlink;
+  unsigned short st_uid;
+  unsigned short st_gid;
+  unsigned long st_rdev;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long st_size;
- unsigned long st_blksize;
- unsigned long st_blocks;
- unsigned long st_atime;
+  unsigned long st_size;
+  unsigned long st_blksize;
+  unsigned long st_blocks;
+  unsigned long st_atime;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long st_atime_nsec;
- unsigned long st_mtime;
- unsigned long st_mtime_nsec;
- unsigned long st_ctime;
+  unsigned long st_atime_nsec;
+  unsigned long st_mtime;
+  unsigned long st_mtime_nsec;
+  unsigned long st_ctime;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long st_ctime_nsec;
- unsigned long __unused4;
- unsigned long __unused5;
+  unsigned long st_ctime_nsec;
+  unsigned long __unused4;
+  unsigned long __unused5;
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct stat64 {
- unsigned long long st_dev;
- unsigned char __pad0[4];
+  unsigned long long st_dev;
+  unsigned char __pad0[4];
 #define STAT64_HAS_BROKEN_ST_INO 1
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long __st_ino;
- unsigned int st_mode;
- unsigned int st_nlink;
- unsigned long st_uid;
+  unsigned long __st_ino;
+  unsigned int st_mode;
+  unsigned int st_nlink;
+  unsigned long st_uid;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long st_gid;
- unsigned long long st_rdev;
- unsigned char __pad3[4];
- long long st_size;
+  unsigned long st_gid;
+  unsigned long long st_rdev;
+  unsigned char __pad3[4];
+  long long st_size;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long st_blksize;
- unsigned long long st_blocks;
- unsigned long st_atime;
- unsigned long st_atime_nsec;
+  unsigned long st_blksize;
+  unsigned long long st_blocks;
+  unsigned long st_atime;
+  unsigned long st_atime_nsec;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long st_mtime;
- unsigned long st_mtime_nsec;
- unsigned long st_ctime;
- unsigned long st_ctime_nsec;
+  unsigned long st_mtime;
+  unsigned long st_mtime_nsec;
+  unsigned long st_ctime;
+  unsigned long st_ctime_nsec;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long long st_ino;
+  unsigned long long st_ino;
 };
 #endif