Bump to dotnet/android-tools@d3c269d (#10899)

Bumps [external/xamarin-android-tools](https://github.com/dotnet/android-tools) from `6a6de1f` to `d3c269d`.
- [Commits](dotnet/android-tools@6a6de1f...d3c269d)

---
updated-dependencies:
- dependency-name: external/xamarin-android-tools
  dependency-version: d3c269de161a9f70438ff9db6979f52868ed4d6f
  dependency-type: direct:production
...

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