If you have a smartphone, you probably use its front-facing camera for selfies and the occasional video call. Perhaps, if you’re lucky, you’ll shoot the next viral TikTok masterpiece. You might use your next smartphone’s front camera for the same things, but there’s a chance that camera won’t completely turn off once you’re done with it. This week, chipmaker Qualcomm revealed its latest Snapdragon processor, which will power many of the high-end Android smartphones you’ll see in stores in 2022, including models from Motorola, Sony, OnePlus. And a new feature built into that chip could allow smartphone makers to keep...