Update prebuilt Clang to match Android kernel.

Bug: 132428451
Change-Id: I8f6e2cb23f381fc0c02ddea99b867e58e925e5be
diff --git a/linux-x64/clang/include/llvm/CodeGen/LazyMachineBlockFrequencyInfo.h b/linux-x64/clang/include/llvm/CodeGen/LazyMachineBlockFrequencyInfo.h
index 221f16a..ca99c6c 100644
--- a/linux-x64/clang/include/llvm/CodeGen/LazyMachineBlockFrequencyInfo.h
+++ b/linux-x64/clang/include/llvm/CodeGen/LazyMachineBlockFrequencyInfo.h
@@ -1,9 +1,8 @@
 ///===- LazyMachineBlockFrequencyInfo.h - Lazy Block Frequency -*- 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
 ///
 ///===---------------------------------------------------------------------===//
 /// \file