Fix potential bitmap leaks in FrameTimingsObserver (#55652)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/55652

Address missing `recycle()` calls for bitmaps in frame timing screenshot capture on Android, which could leak either on exceptions or when window dimensions change.

Changelog: [Internal]

Reviewed By: rubennorte

Differential Revision: D93863311

fbshipit-source-id: 3180f1be4df5b1dec2742d93e38886fb4db4e4d0