(Bloomberg) — Alphabet Inc.’s investors are looking to this week’s developer conference to see if the company can reset the narrative amid fears that its long-standing market dominance is on shaky ground.Most Read from BloombergAmerica, ‘Nation of Porches’NJ Transit Train Engineers Strike, Disrupting Travel to NYCNJ Transit Makes Deal With Engineers, Ending Three-Day StrikeNYC Commuters Brace for Chaos as NJ Transit Strike LoomsThe Google I/O event, which begins Tuesday, is expected to showcase