JavaFX integration

[bruno-garcia]

A potential desktop focused integration for JavaFX.

• Collect Device Info. See this
• It could include the Screenshot feature. See this and this
• Release Health support Java client mode sessions #1742
  • JavaFX: Does it have hooks to foreground/background? We could have release health
• Page load performance monitoring
  • If there's a hook for a page load, we can start a transaction automatically and end with idle timeout
• Offline caching of events
• breadcrumbs for app lifecycle

[adinauer]

Duplicate of #1996