React Native sync for revisions c96b78e...568dc35

Summary:
This sync includes the following changes:
- **[43f4cc160](facebook/react@43f4cc160 )**: Fix failing test ([#21697](facebook/react#21697)) //<Dan Abramov>//
- **[d0f348dc1](facebook/react@d0f348dc1 )**: Fix for failed Suspense layout semantics ([#21694](facebook/react#21694)) //<Brian Vaughn>//
- **[bd0a96344](facebook/react@bd0a96344 )**: Throw when `act` is used in production ([#21686](facebook/react#21686)) //<Andrew Clark>//
- **[9343f8720](facebook/react@9343f8720 )**: Use the server src files as entry points for the builds/tests ([#21683](facebook/react#21683)) //<Sebastian Markbåge>//
- **[502f8a2a0](facebook/react@502f8a2a0 )**: [Fizz/Flight] Don't use default args ([#21681](facebook/react#21681)) //<Sebastian Markbåge>//
- **[a8f5e77b9](facebook/react@a8f5e77b9 )**: Remove invokeGuardedCallback from commit phase ([#21666](facebook/react#21666)) //<Dan Abramov>//
- **[dbe3363cc](facebook/react@dbe3363cc )**: [Fizz] Implement Legacy renderToString and renderToNodeStream on top of Fizz ([#21276](facebook/react#21276)) //<Sebastian Markbåge>//
- **[101ea9f55](facebook/react@101ea9f55 )**: Set deletedTreeCleanUpLevel to 3 ([#21679](facebook/react#21679)) //<Dan Abramov>//
- **[1a106bdc2](facebook/react@1a106bdc2 )**: Wrap eventhandle-specific logic in a flag ([#21657](facebook/react#21657)) //<Dan Abramov>//
- **[cb30388d1](facebook/react@cb30388d1 )**: Export React Native `AttributeType` Types ([#21661](facebook/react#21661)) //<Timothy Yung>//
- **[c1536795c](facebook/react@c1536795c )**: Revert "Make enableSuspenseLayoutEffectSemantics static for www ([#21617](facebook/react#21617))" ([#21656](facebook/react#21656)) //<Sebastian Markbåge>//

Changelog:
[General][Changed] - React Native sync for revisions c96b78e...568dc35

jest_e2e[run_all_tests]

Reviewed By: rickhanlonii

Differential Revision: D29303157

fbshipit-source-id: 90952885eb2264f4effa04070357b80700bb9be3

Libraries/Renderer/REVISION

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