Update to kernel headers v4.7.2.

Modify the kernel header update script to rename C++ keyword
struct members to something else. This fixes problems when including
these kernel files in C++ code.

Also, make a manual change to linux/fib_rules.h and comment out the
value FRA_PAD since it conflicts with a special android kernel value
FRA_UID_START that has not been upstreamed yet.

Test: Built aosp_angler, aosp_x86_64, aosp_mips (bionic only)
Test: Booted on angler and ran bionic unit tests
Test: Built these changes in internal master

Change-Id: Ia22b7e3ca409404696dba76311f49157f4a9ceed
diff --git a/libc/kernel/uapi/linux/keyctl.h b/libc/kernel/uapi/linux/keyctl.h
index 152ca59..4ba1e68 100644
--- a/libc/kernel/uapi/linux/keyctl.h
+++ b/libc/kernel/uapi/linux/keyctl.h
@@ -18,54 +18,63 @@
  ****************************************************************************/
 #ifndef _LINUX_KEYCTL_H
 #define _LINUX_KEYCTL_H
+#include <linux/types.h>
 #define KEY_SPEC_THREAD_KEYRING - 1
-#define KEY_SPEC_PROCESS_KEYRING - 2
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KEY_SPEC_PROCESS_KEYRING - 2
 #define KEY_SPEC_SESSION_KEYRING - 3
 #define KEY_SPEC_USER_KEYRING - 4
 #define KEY_SPEC_USER_SESSION_KEYRING - 5
-#define KEY_SPEC_GROUP_KEYRING - 6
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KEY_SPEC_GROUP_KEYRING - 6
 #define KEY_SPEC_REQKEY_AUTH_KEY - 7
 #define KEY_SPEC_REQUESTOR_KEYRING - 8
 #define KEY_REQKEY_DEFL_NO_CHANGE - 1
-#define KEY_REQKEY_DEFL_DEFAULT 0
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KEY_REQKEY_DEFL_DEFAULT 0
 #define KEY_REQKEY_DEFL_THREAD_KEYRING 1
 #define KEY_REQKEY_DEFL_PROCESS_KEYRING 2
 #define KEY_REQKEY_DEFL_SESSION_KEYRING 3
-#define KEY_REQKEY_DEFL_USER_KEYRING 4
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KEY_REQKEY_DEFL_USER_KEYRING 4
 #define KEY_REQKEY_DEFL_USER_SESSION_KEYRING 5
 #define KEY_REQKEY_DEFL_GROUP_KEYRING 6
 #define KEY_REQKEY_DEFL_REQUESTOR_KEYRING 7
-#define KEYCTL_GET_KEYRING_ID 0
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KEYCTL_GET_KEYRING_ID 0
 #define KEYCTL_JOIN_SESSION_KEYRING 1
 #define KEYCTL_UPDATE 2
 #define KEYCTL_REVOKE 3
-#define KEYCTL_CHOWN 4
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KEYCTL_CHOWN 4
 #define KEYCTL_SETPERM 5
 #define KEYCTL_DESCRIBE 6
 #define KEYCTL_CLEAR 7
-#define KEYCTL_LINK 8
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KEYCTL_LINK 8
 #define KEYCTL_UNLINK 9
 #define KEYCTL_SEARCH 10
 #define KEYCTL_READ 11
-#define KEYCTL_INSTANTIATE 12
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KEYCTL_INSTANTIATE 12
 #define KEYCTL_NEGATE 13
 #define KEYCTL_SET_REQKEY_KEYRING 14
 #define KEYCTL_SET_TIMEOUT 15
-#define KEYCTL_ASSUME_AUTHORITY 16
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KEYCTL_ASSUME_AUTHORITY 16
 #define KEYCTL_GET_SECURITY 17
 #define KEYCTL_SESSION_TO_PARENT 18
 #define KEYCTL_REJECT 19
-#define KEYCTL_INSTANTIATE_IOV 20
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define KEYCTL_INSTANTIATE_IOV 20
 #define KEYCTL_INVALIDATE 21
 #define KEYCTL_GET_PERSISTENT 22
+#define KEYCTL_DH_COMPUTE 23
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct keyctl_dh_params {
+  __s32 __linux_private;
+  __s32 prime;
+  __s32 base;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
 #endif