Bump Kotlin and Gradle versions (#32319)

Summary:
Bump Kotlin version to 1.5.31 to include following changes:

https://kotlinlang.org/docs/whatsnew15.html
https://kotlinlang.org/docs/whatsnew1520.html
https://kotlinlang.org/docs/whatsnew1530.html

Primarily:
- Native support for Apple silicon
- Kotlin/JS IR backend reaches Beta
- Improved Gradle plugin experience
- Performance improvements

## Changelog

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[Android] [Changed] - Bump Kotlin version to 1.5.31
[Android] [Changed] - Bump Gradle version to 7.2

Pull Request resolved: https://github.com/facebook/react-native/pull/32319

Reviewed By: yungsters

Differential Revision: D31365479

Pulled By: cortinico

fbshipit-source-id: 1ffaef1222a6ada8ebc746267b2a22561c3c770f