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/Utility/StringLexer.h b/linux-x64/clang/include/lldb/Utility/StringLexer.h
new file mode 100644
index 0000000..d9806c1
--- /dev/null
+++ b/linux-x64/clang/include/lldb/Utility/StringLexer.h
@@ -0,0 +1,56 @@
+//===--------------------- StringLexer.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 utility_StringLexer_h_
+#define utility_StringLexer_h_
+
+#include <initializer_list>
+#include <string>
+#include <utility>
+
+namespace lldb_utility {
+
+class StringLexer {
+public:
+  typedef std::string::size_type Position;
+  typedef std::string::size_type Size;
+
+  typedef std::string::value_type Character;
+
+  StringLexer(std::string s);
+
+  // These APIs are not bounds-checked.  Use HasAtLeast() if you're not sure.
+  Character Peek();
+
+  bool NextIf(Character c);
+
+  std::pair<bool, Character> NextIf(std::initializer_list<Character> cs);
+
+  bool AdvanceIf(const std::string &token);
+
+  Character Next();
+
+  bool HasAtLeast(Size s);
+
+  std::string GetUnlexed();
+
+  // This will assert if there are less than s characters preceding the cursor.
+  void PutBack(Size s);
+
+  StringLexer &operator=(const StringLexer &rhs);
+
+private:
+  std::string m_data;
+  Position m_position;
+
+  void Consume();
+};
+
+} // namespace lldb_private
+
+#endif // #ifndef utility_StringLexer_h_