[Amp story captions] Render video captions with amp-story-captions when in an amp-story doc and served from cache #37899
Description
Description
video captions should render with the amp-story-captions component when provided from cache and in an amp-story.
By default they will:
- Use the "default" style preset added in [Amp story captions] Implement default, overridable CSS #37900.
- Be positioned relative to the video to follow expected default browser captions UX.
Captions design doc