Meghann Fahy, you will always be famous. Photo: Bernard Walsh/Universal Pictures Drop isn’t really a cautionary tale about mindfulness and staying present in the age of devices. But it’s not not about that, either. Its heroine, Violet (Meghann Fahy), is on her first date in years with a guy named Henry (Brandon Sklenar), a solicitous dreamboat who’s unfazed by the fact that she’s a widow with a young child who had to be coaxed through three months of skittish texting before she agreed to meet