EmbeddedPreview:With Video No Poster

Build 12438 on 24-03-JG-fix-remove-navigate-action
360px
Reviewing disabled
Baseline History
Build 124383e9bec1
Current build. There are unaccepted changes, so build 12428 is still the baseline.
Build 12153b8125e4
Auto-accepted
Build 116956af83ab
Accepted by Edmond Shen.
Build 116387483af9
Accepted by John Geronimo.
Commenting is disabled because there's a newer build on this branch