Method update

example_transcoding/utils.h:2394–2394

	void clear() { m_num = 0; m_total = 0; m_total2 = 0; }

	void update(uint32_t val) { m_num++; m_total += val; m_total2 += val * val; }

	tracked_stat& operator += (uint32_t val) { update(val); return *this; }