Update aosp/master clang for rebase to r235153

Change-Id: Ia94bbcb6da7c75b6e7c2afedd1001094d62a7324
diff --git a/lib/StaticAnalyzer/Frontend/ModelInjector.h b/lib/StaticAnalyzer/Frontend/ModelInjector.h
index fd24e32..e23bf8a 100644
--- a/lib/StaticAnalyzer/Frontend/ModelInjector.h
+++ b/lib/StaticAnalyzer/Frontend/ModelInjector.h
@@ -43,8 +43,8 @@
 class ModelInjector : public CodeInjector {
 public:
   ModelInjector(CompilerInstance &CI);
-  Stmt *getBody(const FunctionDecl *D);
-  Stmt *getBody(const ObjCMethodDecl *D);
+  Stmt *getBody(const FunctionDecl *D) override;
+  Stmt *getBody(const ObjCMethodDecl *D) override;
 
 private:
   /// \brief Synthesize a body for a declaration