Pull request

Description

This PR bumps the target SDK version of the demo apps (mobile and TV) to 35.

Changes made

• Bump the target SDK version to 35 (Android 15).
• Use a Surface to set the background color instead of the .background() Modifier + LocalContentColor.
• Improve edge-to-edge support in pillarbox-demo.
• Fix the player error text color in pillarbox-demo-tv.
• Use the same card color in the root of Lists and in the subsections.
• Replace broken VOD URL.

Checklist

• APIs have been properly documented (if relevant).
• The documentation has been updated (if relevant).
• New unit tests have been written (if relevant).
• The demo has been updated (if relevant).