The Google Now Playing feature may be getting another significant update sometime soon, as evidenced by an app teardown by XDA Developers. Lines of code in the March beta release (1.0.229715350) of Pixel Ambient Services indicate that it may start tracking location and activity. Now Playing was introduced with the Pixel 2 generation of smartphones. It constantly listens to the ambient music and compares it against a database of popular songs - if it recognizes the one that's playing it shows it on the lockscreen and in the notification shade. With the Pixel 3 release, the feature...