GitLab

For audio only stream, we should let it play even video backgroud play
is disabled.

Bug: internal b/129859403
Test: Move audio only page to background, stream is still playing.
Change-Id: If82d6c0cbc21b71d3da3c8dd70e344b08bdb55f7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1552164
Commit-Queue: Yuchen Liu <yucliu@chromium.org>
Reviewed-by: Dan Sanders <sandersd@chromium.org>
Cr-Commit-Position: refs/heads/master@{#650487}