RFCOMM: fix connection timeout during security setup

The RFC_T2_TIMEOUT used in rfc_mx_conf_cnf is replaced with RFCOMM_CONN_TIMEOUT,
increasing the timeout value from 20 sec to 120 sec.

Bug: 11523955
Change-Id: I992f3d20e9e4c6465850dcf1f52af0b7d39dd893
1 file changed