mgmt-tester: Update set_connectable_off_adv_param

mgmt-tester: Update set_connectable_off_adv_param

Parameters have been changed in the kernel which now uses the following:

< HCI Command: LE Set Advertising Parameters (0x08|0x0006) plen 15
        Min advertising interval: 62.500 msec (0x0064)
        Max advertising interval: 93.750 msec (0x0096)
        Type: Scannable undirected - ADV_SCAN_IND (0x02)
        Own address type: Random (0x01)
        Direct address type: Public (0x00)
        Direct address: 00:00:00:00:00:00 (OUI 00-00-00)
        Channel map: 37, 38, 39 (0x07)
        Filter policy: Allow Scan Request from Any, Allow Connect Request from Any (0x00)

Signed-off-by: Anuj Jain <anuj01.jain@samsung.com>
Signed-off-by: Ayush Garg <ayush.garg@samsung.com>