Merge "Add NetworkStack metrics to system API"

    private void logValidationProbe(long durationMs, int probeType, int probeResult) {

        int[] transports = mNetworkCapabilities.getTransportTypes();

        boolean isFirstValidation = validationStage().mIsFirstValidation;

        ValidationProbeEvent ev = new ValidationProbeEvent();

        ev.probeType = ValidationProbeEvent.makeProbeType(probeType, isFirstValidation);

        ev.returnCode = probeResult;

        ev.durationMs = durationMs;

        ValidationProbeEvent ev = new ValidationProbeEvent.Builder()

                .setProbeType(probeType, isFirstValidation)

                .setReturnCode(probeResult)

                .setDurationMs(durationMs)

                .build();

        mMetricsLog.log(mNetId, transports, ev);

    }