$(AndroidSdkBuildToolsVersion)=33.0.0

build-tools 33.0.0 is the current latest version.  Try that.

Author: jonpryor

src/Xamarin.Android.Tools.AndroidSdk/Xamarin.Android.Tools.Versions.props

@@ -9,7 +9,7 @@
     If this file is changed the submodule for androidtools should be updated, 
     along with any other repo which references androidtools. 
     -->
-    <AndroidSdkBuildToolsVersion Condition="'$(AndroidSdkBuildToolsVersion)' == ''">32.0.0</AndroidSdkBuildToolsVersion>
+    <AndroidSdkBuildToolsVersion Condition="'$(AndroidSdkBuildToolsVersion)' == ''">33.0.0</AndroidSdkBuildToolsVersion>
     <AndroidCommandLineToolsVersion Condition=" '$(AndroidCommandLineToolsVersion)' == '' ">7.0</AndroidCommandLineToolsVersion>
     <AndroidSdkPlatformToolsVersion Condition="'$(AndroidSdkPlatformToolsVersion)' == ''">33.0.2</AndroidSdkPlatformToolsVersion>
     <AndroidSdkEmulatorVersion Condition="'$(AndroidSdkEmulatorVersion)' == ''"></AndroidSdkEmulatorVersion>