Update prebuilt Clang to match Android kernel.

Bug: 132428451
Change-Id: I8f6e2cb23f381fc0c02ddea99b867e58e925e5be
diff --git a/linux-x64/clang/include/lld/Common/Strings.h b/linux-x64/clang/include/lld/Common/Strings.h
index e17b257..efc9245 100644
--- a/linux-x64/clang/include/lld/Common/Strings.h
+++ b/linux-x64/clang/include/lld/Common/Strings.h
@@ -1,9 +1,8 @@
 //===- Strings.h ------------------------------------------------*- C++ -*-===//
 //
-//                             The LLVM Linker
-//
-// 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
 //
 //===----------------------------------------------------------------------===//
 
@@ -41,9 +40,6 @@
   std::vector<llvm::GlobPattern> Patterns;
 };
 
-inline llvm::ArrayRef<uint8_t> toArrayRef(llvm::StringRef S) {
-  return {reinterpret_cast<const uint8_t *>(S.data()), S.size()};
-}
 } // namespace lld
 
 #endif