LOS ANGELES — In 2019, local business owners began gathering regularly at Arnie Abramyan’s hookah lounge on the outskirts of Los Angeles to fight a proposed statewide prohibition on the sale of flavored tobacco. From the heavily Armenian neighborhood of Tujunga in the foothills of the San Gabriel Mountains, Abramyan and other hookah shop and cafe owners began spreading the word that the ban, prompted by a burgeoning epidemic of e-cigarette use among teens, could put them out of business and extinguish a beloved social ritual that many feel is part of their heritage. “We were going to be collat…