Merge "DO NOT MERGE Early return for getPresentFenceShift" into main

    }

    size_t getPresentFenceShift(Period minFramePeriod) const {

        const bool isTwoVsyncsAhead = targetsVsyncsAhead<2>(minFramePeriod);

        size_t shift = 0;

        if (minFramePeriod.ns() == 0) {

            return shift;

        }

        const bool isTwoVsyncsAhead = targetsVsyncsAhead<2>(minFramePeriod);

        if (isTwoVsyncsAhead) {

            shift = static_cast<size_t>(expectedFrameDuration().ns() / minFramePeriod.ns());

            if (shift >= mPresentFences.size()) {