Backgrounding JCA on a phone rotated to landscape causes screen to zoom in when returning to app

[temcguir]

When using a phone that is physically rotated to landscape orientation, the viewfinder looks correct when you start the app:

However, if you background the app and return, the viewfinder will look zoomed in:

This is unexpected behavior. The viewfinder should have the same crop/zoom level as when the app was backgrounded.