Update prebuilt Clang to r416183b from Android.

https://android.googlesource.com/platform/prebuilts/clang/host/
linux-x86/+/06a71ddac05c22edb2d10b590e1769b3f8619bef

clang 12.0.5 (based on r416183b) from build 7284624.

Change-Id: I277a316abcf47307562d8b748b84870f31a72866
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/linux-x64/clang/include/lldb/Target/OperatingSystem.h b/linux-x64/clang/include/lldb/Target/OperatingSystem.h
index c75d1ca..ceeddce 100644
--- a/linux-x64/clang/include/lldb/Target/OperatingSystem.h
+++ b/linux-x64/clang/include/lldb/Target/OperatingSystem.h
@@ -7,9 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef liblldb_OperatingSystem_h_
-#define liblldb_OperatingSystem_h_
-
+#ifndef LLDB_TARGET_OPERATINGSYSTEM_H
+#define LLDB_TARGET_OPERATINGSYSTEM_H
 
 #include "lldb/Core/PluginInterface.h"
 #include "lldb/lldb-private.h"
@@ -41,11 +40,8 @@
   ///     should be used. If NULL, pick the best plug-in.
   static OperatingSystem *FindPlugin(Process *process, const char *plugin_name);
 
-  // Class Methods
   OperatingSystem(Process *process);
 
-  ~OperatingSystem() override;
-
   // Plug-in Methods
   virtual bool UpdateThreadList(ThreadList &old_thread_list,
                                 ThreadList &real_thread_list,
@@ -69,10 +65,8 @@
   // Member variables.
   Process
       *m_process; ///< The process that this dynamic loader plug-in is tracking.
-private:
-  DISALLOW_COPY_AND_ASSIGN(OperatingSystem);
 };
 
 } // namespace lldb_private
 
-#endif // liblldb_OperatingSystem_h_
+#endif // LLDB_TARGET_OPERATINGSYSTEM_H