message: simplify code
  Summary: IRCode::gather_catch_types actually checks if cfg has been built.
diff: @@ -2029,13 +2029,8 @@ bool MultiMethodInliner::caller_is_blocklisted(const DexMethod* caller) {
  * in which case we cannot inline.
  */
  bool MultiMethodInliner::has_external_catch(const DexMethod* callee) {
  - const IRCode* code = callee->get_code();
  std::vector<DexType*> types;
  - if (code->editable_cfg_built()) {
  - code->cfg().gather_catch_types(types);
  - } else {
  - code->gather_catch_types(types);
  - }
  + callee->get_code()->gather_catch_types(types);
  for (auto type : types) {
  auto cls = type_class(type);
  if (cls != nullptr && cls->is_external() && !is_public(cls)) {
  