Merge "bufferqueue: workaround: allow NULL fence with queueBuffer (DO NOT MERGE)" into lmp-dev

    if (fence == NULL) {

        BQ_LOGE("queueBuffer: fence is NULL");

        return BAD_VALUE;

        // Temporary workaround for b/17946343: soldier-on instead of returning an error. This

        // prevents the client from dying, at the risk of visible corruption due to hwcomposer

        // reading the buffer before the producer is done rendering it. Unless the buffer is the

        // last frame of an animation, the corruption will be transient.

        fence = Fence::NO_FENCE;

        // return BAD_VALUE;

    }

    switch (scalingMode) {