Merge "Dump HdmiPortInfo port type"

    public String toString() {

        StringBuffer s = new StringBuffer();

        s.append("port_id: ").append(mId).append(", ");

        s.append("type: ").append((mType == PORT_INPUT) ? "HDMI_IN" : "HDMI_OUT").append(", ");

        s.append("address: ").append(String.format("0x%04x", mAddress)).append(", ");

        s.append("cec: ").append(mCecSupported).append(", ");

        s.append("arc: ").append(mArcSupported).append(", ");