Update prebuilt Clang to match Android kernel.

Bug: 132428451
Change-Id: I8f6e2cb23f381fc0c02ddea99b867e58e925e5be
diff --git a/linux-x64/clang/include/llvm/ExecutionEngine/Orc/Layer.h b/linux-x64/clang/include/llvm/ExecutionEngine/Orc/Layer.h
index 3bd23ae..8f9bd70 100644
--- a/linux-x64/clang/include/llvm/ExecutionEngine/Orc/Layer.h
+++ b/linux-x64/clang/include/llvm/ExecutionEngine/Orc/Layer.h
@@ -1,9 +1,8 @@
 //===---------------- Layer.h -- Layer interfaces --------------*- 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
 //
 //===----------------------------------------------------------------------===//
 //
@@ -49,17 +48,11 @@
 
   /// Adds a MaterializationUnit representing the given IR to the given
   /// JITDylib.
-  virtual Error add(JITDylib &JD, VModuleKey K, ThreadSafeModule TSM);
-
-  /// Adds a MaterializationUnit representing the given IR to the main
-  /// JITDylib.
-  Error add(VModuleKey K, ThreadSafeModule TSM) {
-    return add(ES.getMainJITDylib(), K, std::move(TSM));
-  }
+  virtual Error add(JITDylib &JD, ThreadSafeModule TSM,
+                    VModuleKey K = VModuleKey());
 
   /// Emit should materialize the given IR.
-  virtual void emit(MaterializationResponsibility R, VModuleKey K,
-                    ThreadSafeModule TSM) = 0;
+  virtual void emit(MaterializationResponsibility R, ThreadSafeModule TSM) = 0;
 
 private:
   bool CloneToNewContextOnEmit = false;
@@ -76,14 +69,16 @@
 
   /// Create an IRMaterializationLayer. Scans the module to build the
   /// SymbolFlags and SymbolToDefinition maps.
-  IRMaterializationUnit(ExecutionSession &ES, ThreadSafeModule TSM);
+  IRMaterializationUnit(ExecutionSession &ES, ThreadSafeModule TSM,
+                        VModuleKey K);
 
   /// Create an IRMaterializationLayer from a module, and pre-existing
   /// SymbolFlags and SymbolToDefinition maps. The maps must provide
   /// entries for each definition in M.
   /// This constructor is useful for delegating work from one
   /// IRMaterializationUnit to another.
-  IRMaterializationUnit(ThreadSafeModule TSM, SymbolFlagsMap SymbolFlags,
+  IRMaterializationUnit(ThreadSafeModule TSM, VModuleKey K,
+                        SymbolFlagsMap SymbolFlags,
                         SymbolNameToDefinitionMap SymbolToDefinition);
 
   /// Return the ModuleIdentifier as the name for this MaterializationUnit.
@@ -125,16 +120,11 @@
 
   /// Adds a MaterializationUnit representing the given IR to the given
   /// JITDylib.
-  virtual Error add(JITDylib &JD, VModuleKey K, std::unique_ptr<MemoryBuffer> O);
-
-  /// Adds a MaterializationUnit representing the given object to the main
-  /// JITDylib.
-  Error add(VModuleKey K, std::unique_ptr<MemoryBuffer> O) {
-    return add(ES.getMainJITDylib(), K, std::move(O));
-  }
+  virtual Error add(JITDylib &JD, std::unique_ptr<MemoryBuffer> O,
+                    VModuleKey K = VModuleKey());
 
   /// Emit should materialize the given IR.
-  virtual void emit(MaterializationResponsibility R, VModuleKey K,
+  virtual void emit(MaterializationResponsibility R,
                     std::unique_ptr<MemoryBuffer> O) = 0;
 
 private:
@@ -161,7 +151,6 @@
   void discard(const JITDylib &JD, const SymbolStringPtr &Name) override;
 
   ObjectLayer &L;
-  VModuleKey K;
   std::unique_ptr<MemoryBuffer> O;
 };