A project manager at a small startup needs to create a professional-looking project update video for stakeholders. They have a project plan in a Google Doc and several images in Google Drive, but have zero budget for video production and no experience with editing software. Their primary goal is to quickly assemble these assets into a coherent video with a voiceover and consistent branding. Which prebuilt Google AI offering is specifically designed to act as a "video production assistant" for this type of business user?