Chrome Version:73.0.3644.0, 11437.0.0 (dev) channel
Android: 9
Camera vers: CCA 5.3.1 canery
Devices: Nautilus LTE PVT

Steps:
1. Launch CCA 5.3.1 in (desktop/landscape/small/full screen mode)
2. Switch to video mode and start recording (1min)
3. After finish recording and start playback the recorded video 
Observe below: (see attached files)

Expected result:
Video playback window should not have any unwanted border

Actual result:
Notice the playback window shown "yellow line" border either video play or pause. 

How frequently does this problem reproduce? (100%)  

Feedback ID: https://listnr.corp.google.com/report/85860787101
 

Chrome Version:73.0.3644.0, 11437.0.0 (dev) channel
Android: 9
Camera vers: CCA 5.3.1 canery
Devices: Nautilus LTE PVT

Steps:
1. Launch CCA 5.3.1 in (desktop/landscape/small/full screen mode)
2. Switch to video mode and start recording (1min)
3. After finish recording and start playback the recorded video 
Observe below: (see attached files)

Expected result:
Video playback window should not have any unwanted border

Actual result:
Notice the playback window shown "yellow line" border either video play or pause. 

Note: not reproducible on Nautilus with build  11316.36.0, 72.0.3626.30 (dev) channel.

How frequently does this problem reproduce? (100%)  

Feedback ID: https://listnr.corp.google.com/report/85860787101