BTA_JvStartDiscovery() function
* Function BTA_JvStartDiscovery * Description This function performs service discovery for the services * provided by the given peer device. When the operation is * complete the tBTA_JV_DM_CBACK callback function will be * called with a BTA_JV_DISCOVERY_COMP_EVT. * Returns BTA_JV_SUCCESS, if the request is being processed. * BTA_JV_FAILURE, otherwise.