Considering updating On-Demand profile URI check

[soheibthriber]

Noticed in DASH/IOP/impl/validateSegmentOnDemand.php that we’re checking for the following profile URI:

if (
    strpos(
        $mpdHandler->getProfiles[$selectedPeriod][$selectedAdaptation][$selectedRepresentation],
        'http://dashif.org/guidelines/dash-if-ondemand'
    ) === false
) {
    return;
}

It looks like most recent MPDs use profiles="urn:mpeg:dash:profile:isoff-on-demand:2011,http://dashif.org/guidelines/dash264.

This prevent any checks been done in for the current test vectors. Maybe we should consider updating this check, or possibly support the new URIs?
@Phencys Any thoughts or feedback on this.