BTM_ReadEScoLinkParms() function

* Function BTM_ReadEScoLinkParms * Description This function returns the current eSCO link parameters for * the specified handle. This can be called anytime a connection * is active, but is typically called after receiving the SCO * opened callback. * Note: If called over a 1.1 controller, only the packet types * field has meaning. * Note: If the upper layer doesn't know the current sco index, * BTM_FIRST_ACTIVE_SCO_INDEX can be used as the first parameter to * find the first active SCO index * Returns BTM_SUCCESS if returned data is valid connection. * BTM_ILLEGAL_VALUE if no connection for specified sco_inx. * BTM_MODE_UNSUPPORTED if local controller does not support * 1.2 specification.