UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.75 Safari/537.36

Steps to reproduce the problem:
1. Attach an Android device via USB. Make sure USB debugging is enabled.
2. On the device, open Chrome and go to a web site (ex, google.com)
2. On the pc, go to chrome://inspect/#devices
3. Click "Inspect" under Google (screenshot1)

What is the expected behavior?
I expect a new window with Chrome's dev tools so I can inspect the site running on my phone.

What went wrong?
I get a 404 (screenshot2)

Did this work before? Yes 67

Does this work in other browsers? N/A

Chrome version: 68.0.3440.75  Channel: stable
OS Version: 10.0
Flash Version: 

I tried clearing app data. Problem remains.
I then tried the same on a Pixel C that runs Chrome 67. It works. This makes me believe it's a Chrome 68 for Android problem:

Pixel 2016, Chrome 68 > Windows Chrome 68: doesn't work
Pixel 2016, Chrome 68 > Mac Chrome 68: doesn't work
Pixel C, Chrome 67 > Mac Chrome 68: does work

Pixel 2016 is running Chrome 68.0.3440.70
 

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