Summary:
This PR adds filtering for e2e test examples using the new examples filter introduced in https://github.com/facebook/react-native/pull/22777
To do that we:
- Add a `testID` to `RNTesterExampleFilter` to select an example
- Refactor a few examples to export multiple examples for filtering
- Update all tests to filter by example title
Pull Request resolved: https://github.com/facebook/react-native/pull/22828
Reviewed By: TheSavior
Differential Revision: D13562664
Pulled By: rickhanlonii
fbshipit-source-id: efb0ca8050c1ca5c10d96bd77d35dd1143c3a3b3
