Snap for 9377594 from 8a379817 to udc-d1-release

                        if (!std::regex_match(line, match, lineRegex)) return false;

                        if (match.size() != 2) return false;

                        // The binder_to_string format is changed from S that will add "(null)" to

                        // the log on method's argument if binder object is null. But Q and R don't

                        // have this format in log. So to make register null listener tests are

                        // compatible from all version, just remove the "(null)" argument from

                        // output logs if existed.

                        const std::string output = android::base::StringReplace(

                                match[1].str(), "(null)", "", /*all=*/true);

                        // The binder_to_string format is changed over time to include more

                        // information. To keep it working on Q/R/..., remove what has been

                        // added for now.

                        std::string output = match[1].str();

                        using android::base::StringReplace;

                        output = StringReplace(output, "(null)", "", /*all=*/true);

                        output = StringReplace(output, "<unimplemented>", "", /*all=*/true);

                        return output == td.output;

                    });

            EXPECT_TRUE(found) << "Didn't find line '" << td.output << "' in dumpsys output.";