Update prebuilt Clang to r365631c1 from Android.

The version we had was segfaulting.

Bug: 132420445
Change-Id: Icb45a6fe0b4e2166f7895e669df1157cec9fb4e0
diff --git a/linux-x64/clang/include/lldb/Target/OperatingSystem.h b/linux-x64/clang/include/lldb/Target/OperatingSystem.h
new file mode 100644
index 0000000..c75d1ca
--- /dev/null
+++ b/linux-x64/clang/include/lldb/Target/OperatingSystem.h
@@ -0,0 +1,78 @@
+//===-- OperatingSystem.h ----------------------------------------------*- C++
+//-*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_OperatingSystem_h_
+#define liblldb_OperatingSystem_h_
+
+
+#include "lldb/Core/PluginInterface.h"
+#include "lldb/lldb-private.h"
+
+namespace lldb_private {
+
+/// \class OperatingSystem OperatingSystem.h "lldb/Target/OperatingSystem.h"
+/// A plug-in interface definition class for halted OS helpers.
+///
+/// Halted OS plug-ins can be used by any process to locate and create
+/// OS objects, like threads, during the lifetime of a debug session.
+/// This is commonly used when attaching to an operating system that is
+/// halted, such as when debugging over JTAG or connecting to low level kernel
+/// debug services.
+
+class OperatingSystem : public PluginInterface {
+public:
+  /// Find a halted OS plugin for a given process.
+  ///
+  /// Scans the installed OperatingSystem plug-ins and tries to find an
+  /// instance that matches the current target triple and executable.
+  ///
+  /// \param[in] process
+  ///     The process for which to try and locate a halted OS
+  ///     plug-in instance.
+  ///
+  /// \param[in] plugin_name
+  ///     An optional name of a specific halted OS plug-in that
+  ///     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,
+                                ThreadList &new_thread_list) = 0;
+
+  virtual void ThreadWasSelected(Thread *thread) = 0;
+
+  virtual lldb::RegisterContextSP
+  CreateRegisterContextForThread(Thread *thread,
+                                 lldb::addr_t reg_data_addr) = 0;
+
+  virtual lldb::StopInfoSP CreateThreadStopReason(Thread *thread) = 0;
+
+  virtual lldb::ThreadSP CreateThread(lldb::tid_t tid, lldb::addr_t context) {
+    return lldb::ThreadSP();
+  }
+
+  virtual bool IsOperatingSystemPluginThread(const lldb::ThreadSP &thread_sp);
+
+protected:
+  // 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_