Bump to dotnet/android-tools@2bea0eb (#1394)

Bumps [external/xamarin-android-tools](https://github.com/xamarin/xamarin-android-tools) from `091e3a6` to `2bea0eb`.
- [Commits](dotnet/android-tools@091e3a6...2bea0eb)

---
updated-dependencies:
- dependency-name: external/xamarin-android-tools
  dependency-version: 2bea0eb6ace3b557ef46de8dec8eeb3f4ee89733
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]