path: thunderbird_1:140.8.0esr-1/testing/mozbase/mozdevice/mozdevice/adb.py
                re_pids = re.compile(r"[0-9]+")
                pids = re_pids.findall(pid_output)
                if self._have_flaky_pidof and not pids:
                    time.sleep(0.1)
                    pid_output = self.shell_output(