Method __init__

initiate a DroidBot connection :return:

(self, device_unique_id,
                 app_path=None,
                 device_serial=None,
                 is_emulator=False,
                 output_dir=None,
                 env_policy=None,
                 policy_name=None,
                 random_input=False,
                 script_path=None,
                 event_count=None,
                 event_interval=None,
                 timeout=None,
                 keep_app=None,
                 keep_env=False,
                 cv_mode=False,
                 debug_mode=False,
                 profiling_method=None,
                 grant_perm=False,
                 enable_accessibility_hard=False,
                 master=None,
                 humanoid=None,
                 ignore_ad=False,
                 replay_output=None)