Steps to reproduce the problem:
1. Set up a Widevine Proxy HDCP_V1 protection enabled
2. Start the Chrome browser on an Android 6.0.1 Nexus 7 device
3. Try to play Widevine protected content with MSE/EME and the aforementioned Proxy settings.
4. The content will not play, key status will be "usable"

What is the expected behavior?
We would expect the Chrome browser (EME) to throw an "output-restricted" key event.

What went wrong?
 If we test the same content within the same player on an MAC OS X machine within a Chrome browser and an external connected screen an "output-restricted" event is fired.

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 55.0.2883.95  Channel: stable
OS Version: 6.0.1
Flash Version: 

We are also wondering if it is possible to play HDCP_V1 protected content within a Chrome browser on an Android device as we did not manage to get it working so far.