Report screen recording failures to user.

Screencast: https://screencast.googleplex.com/cast/NjA3NDU5NzYwOTgzMjQ0OHwxYzgxODdlYy02Mg

Screenshot of proxy output: https://screenshot.googleplex.com/BSYHMraDSNqmc7h

E.g. Screen recording will fail if you start the screen recording when the display is off (WAI). However we should report the error to the user so they know why they were unable to retrieve the video.

Bug: 329834712
Test: npm run test:unit:ci

Change-Id: I881a3610659351b95d1bc56ce760a200e656ae71
4 files changed