update updateAcceleratorMetrics to take an array of accelerator ids

[smedegaard]

Update SystemInfo.updateAcceleratorMetrics() to take accelerators_id : ArrayList<Integer> as an argument.

only update the accelerator metrics for the ids in the arguemnts.

If the list is empty or null, update all accelerators.

    public void updateAcceleratorMetrics() {
        if (this.acceleratorUtil != null) {
            List<Accelerator> updatedAccelerators =
                    this.acceleratorUtil.getUpdatedAcceleratorsUtilization(this.accelerators);

            updateAccelerators(updatedAccelerators);
        }
    }