Merge "Use "override" keyword instead of "virtual"."

class DrawGLFunctor : public Functor {

 public:

  explicit DrawGLFunctor(jlong view_context) : view_context_(view_context) {}

  virtual ~DrawGLFunctor() {}

  ~DrawGLFunctor() override {}

  // Functor

  virtual status_t operator ()(int what, void* data) {

  status_t operator ()(int what, void* data) override {

    using uirenderer::DrawGlInfo;

    if (!g_aw_drawgl_function) {

      ALOGE("Cannot draw: no DrawGL Function installed");