[device/as5835-54t] Implement get_transceiver_change_event() in sfputil#3485

jleveque merged 1 commit intosonic-net:mastersonic-net/sonic-buildimage:masterfrom

brandonchuang:as5835-54t-sfpbrandonchuang/sonic-buildimage:as5835-54t-sfpCopy head branch name to clipboard