Bump external/Java.Interop from 651de42 to e1c7832 (#8836)

Bumps [external/Java.Interop](https://github.com/xamarin/java.interop) from `651de42` to `e1c7832`.
- [Commits](dotnet/java-interop@651de42...e1c7832)

---
updated-dependencies:
- dependency-name: external/Java.Interop
  dependency-type: direct:production
...

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