LOCARNO — Brazil’s Pandora Filmes, one of the country’s premier independent distributors, has secured Brazilian distribution rights to “Tomorrow’s Rain”(“Amanhã Já Não Chove”), a Portuguese portrait of bourgeois malaise which was brought onto the market last weekend at the Locarno Festival’s Match Me! Pandora Filmes’ distribution slate takes in “Parasite,” “The Man Who Sold His Skin,” and …