Version: 56.0.2923.0 / 9000.0.0 dev
Chrome device: Jaq

What steps will reproduce the problem?
1. Join a two way successful hangout call between chrome device Jaq and Linux desktop
2. From chrome device Jaq, select the screenshare option from the hangout window
3. A new window with the different screens shows up for the selection
4. Select any one of the options from the mini window and then click on 'Share' option at the bottom

What is the expected result?
Selected screen should be shared and displayed on desktop user screen without much delay

What happens instead?
Remote video freezes for 35 seconds (roughly) before it starts displaying the shared screen on desktop

Feedback submitted for this issue:
https://feedback.corp.google.com/product/208/neutron?lView=rd&lRSort=1&lROrder=2&lRFilter=1&lReportSearch=user:srcv&lReport=16656499617

Notes:
I will check this issue on Jaq with latest M55 beta build for regression and update this bug