Update prebuilt Clang to match Android kernel.

Bug: 132428451
Change-Id: I8f6e2cb23f381fc0c02ddea99b867e58e925e5be
diff --git a/linux-x64/clang/include/llvm-c/Target.h b/linux-x64/clang/include/llvm-c/Target.h
index 03004ba..9a792a0 100644
--- a/linux-x64/clang/include/llvm-c/Target.h
+++ b/linux-x64/clang/include/llvm-c/Target.h
@@ -1,9 +1,9 @@
 /*===-- llvm-c/Target.h - Target Lib C Iface --------------------*- C++ -*-===*/
 /*                                                                            */
-/*                     The LLVM Compiler Infrastructure                       */
-/*                                                                            */
-/* This file is distributed under the University of Illinois Open Source      */
-/* License. See LICENSE.TXT for details.                                      */
+/* Part of the LLVM Project, under the Apache License v2.0 with LLVM          */
+/* Exceptions.                                                                */
+/* See https://llvm.org/LICENSE.txt for license information.                  */
+/* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    */
 /*                                                                            */
 /*===----------------------------------------------------------------------===*/
 /*                                                                            */