Update prebuilt Clang to match Android kernel.

Bug: 132428451
Change-Id: I8f6e2cb23f381fc0c02ddea99b867e58e925e5be
diff --git a/linux-x64/clang/include/llvm/IR/DataLayout.h b/linux-x64/clang/include/llvm/IR/DataLayout.h
index d796a65..274ec23 100644
--- a/linux-x64/clang/include/llvm/IR/DataLayout.h
+++ b/linux-x64/clang/include/llvm/IR/DataLayout.h
@@ -1,9 +1,8 @@
 //===- llvm/DataLayout.h - Data size & alignment info -----------*- 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
 //
 //===----------------------------------------------------------------------===//
 //
@@ -334,6 +333,9 @@
   /// the backends/clients are updated.
   unsigned getPointerSize(unsigned AS = 0) const;
 
+  /// Returns the maximum pointer size over all address spaces.
+  unsigned getMaxPointerSize() const;
+
   // Index size used for address calculation.
   unsigned getIndexSize(unsigned AS) const;
 
@@ -361,6 +363,11 @@
     return getPointerSize(AS) * 8;
   }
 
+  /// Returns the maximum pointer size over all address spaces.
+  unsigned getMaxPointerSizeInBits() const {
+    return getMaxPointerSize() * 8;
+  }
+
   /// Size in bits of index used for address calculation in getelementptr.
   unsigned getIndexSizeInBits(unsigned AS) const {
     return getIndexSize(AS) * 8;