Merge "Suppress empty media.metrics records from nuplayer" into oc-dev am: feb0d87f

    // log only non-empty records

    // we always updateMetrics() before we get here

    // and that always injects 2 fields (duration and playing time) into

    // the record.

    // So the canonical "empty" record has 2 elements in it.

    if (mAnalyticsItem->count() > 2) {

    // and that always injects 3 fields (duration, playing time, and

    // datasource) into the record.

    // So the canonical "empty" record has 3 elements in it.

    if (mAnalyticsItem->count() > 3) {

        mAnalyticsItem->setFinalized(true);

        mAnalyticsItem->selfrecord();