Update prebuilt Clang to match Android kernel.

Bug: 132428451
Change-Id: I8f6e2cb23f381fc0c02ddea99b867e58e925e5be
diff --git a/linux-x64/clang/include/llvm/ADT/bit.h b/linux-x64/clang/include/llvm/ADT/bit.h
index a4aba7b..a790d5e 100644
--- a/linux-x64/clang/include/llvm/ADT/bit.h
+++ b/linux-x64/clang/include/llvm/ADT/bit.h
@@ -1,9 +1,8 @@
 //===-- llvm/ADT/bit.h - C++20 <bit> ----------------------------*- 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
 //
 //===----------------------------------------------------------------------===//
 //
@@ -41,11 +40,11 @@
           , typename = typename std::enable_if<__is_trivially_copyable(To)>::type
           , typename = typename std::enable_if<__is_trivially_copyable(From)>::type
 #else
-  // This case is GCC 4.x. clang with libc++ or libstdc++ never get here. Unlike
-  // llvm/Support/type_traits.h's isPodLike we don't want to provide a
-  // good-enough answer here: developers in that configuration will hit
-  // compilation failures on the bots instead of locally. That's acceptable
-  // because it's very few developers, and only until we move past C++11.
+// This case is GCC 4.x. clang with libc++ or libstdc++ never get here. Unlike
+// llvm/Support/type_traits.h's is_trivially_copyable we don't want to
+// provide a good-enough answer here: developers in that configuration will hit
+// compilation failures on the bots instead of locally. That's acceptable
+// because it's very few developers, and only until we move past C++11.
 #endif
 >
 inline To bit_cast(const From &from) noexcept {