Update bionic kernel headers using update_all.py

Change-Id: I9c377436e9bf158e7236b3b7dcebf3e79fa961de
diff --git a/libc/kernel/arch-arm/asm/sigcontext.h b/libc/kernel/arch-arm/asm/sigcontext.h
index 3c4fcf3..bda2339 100644
--- a/libc/kernel/arch-arm/asm/sigcontext.h
+++ b/libc/kernel/arch-arm/asm/sigcontext.h
@@ -7,33 +7,44 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _ASMARM_SIGCONTEXT_H
 #define _ASMARM_SIGCONTEXT_H
-
 struct sigcontext {
  unsigned long trap_no;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned long error_code;
  unsigned long oldmask;
  unsigned long arm_r0;
  unsigned long arm_r1;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned long arm_r2;
  unsigned long arm_r3;
  unsigned long arm_r4;
  unsigned long arm_r5;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned long arm_r6;
  unsigned long arm_r7;
  unsigned long arm_r8;
  unsigned long arm_r9;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned long arm_r10;
  unsigned long arm_fp;
  unsigned long arm_ip;
  unsigned long arm_sp;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned long arm_lr;
  unsigned long arm_pc;
  unsigned long arm_cpsr;
  unsigned long fault_address;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 #endif