Update plugin to handle new style rules for virtual annotations.

tools/clang/plugins/tests/overridden_method_also_final.cpp

Index: tools/clang/plugins/tests/overridden_method_also_final.cpp
diff --git a/tools/clang/plugins/tests/overridden_method_also_final.cpp b/tools/clang/plugins/tests/overridden_method_also_final.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..56b7d3eb28db9723b5ed730a8149f0f5b8fafa34
--- /dev/null
+++ b/tools/clang/plugins/tests/overridden_method_also_final.cpp
@@ -0,0 +1,12 @@
+#define OVERRIDE override
+#define FINAL final
+
+class Base {
+ public:
+  virtual void F();
+};
+
+class Derived : public Base {
+ public:
+  void F() override final {}
+};