With Android Developer Verifier expected to operate in the background and without an off switch, this could leave those outside Google's ecosystem with limited app options. It appears only one ...

How to sideload apps on a Chromebook via ADB If you don't want to deal with developer mode on Chromebook or lose the information stored on your computer, use the Android Debug Bridge (ADB).

Lastly, as long as everything is in place, you can sideload the OTA file. If you’re in Windows, make sure your Command Prompt is directed to the ADB tools folder and type in adb sideload.