Bump to dotnet/android-tools@d222cfe (#1402)

Bumps [external/xamarin-android-tools](https://github.com/xamarin/xamarin-android-tools) from `a428178` to `d222cfe`.
- [Commits](dotnet/android-tools@a428178...d222cfe)

---
updated-dependencies:
- dependency-name: external/xamarin-android-tools
  dependency-version: d222cfe45c30c4158211760b0f6df31c064165f5
  dependency-type: direct:production
...

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