Chrome Version: 58.0.3029.19
OS:9334.13.0 (Official Build) dev-channel kip
Firmware: Google_Kip.5216.227.78

What steps will reproduce the problem?
(1)Sign into device
(2)Plug in and select external camera from the camera settings
(3)Open camera app

What is the expected result?
View should be from external camera

What happens instead?
View defaults to onboard camera

Please use labels and text to provide additional information.
Logs and screenshot attached.

For graphics-related bugs, please copy/paste the contents of the about:gpu
page at the end of this report.