The feature was encountered on version 1.13 but appears to be server-side. There you will see a smaller camera view with a wider images grid. The grid is split into screenshots and other images. When you switch to the full camera view, you will be able to open a gallery with a button or a swipe gesture.
Google Lens - Apps on Google Play
Translate words, identify plants, find products, & more—using just your camera
Via 9to5google