Bump to xamarin/xamarin-android-tools/main@a698a33 (#8710)

Changes: dotnet/android-tools@ed102fc...a698a33

  * dotnet/android-tools@a698a33: Merge pull request dotnet/android-tools#227 from xamarin/dev/jestedfa/uses-sdk
  * dotnet/android-tools@8b13954: Added unit tests
  * dotnet/android-tools@84c2911: Only conditionally include <uses-sdk /> in the AndroidManifest.xml when saving

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