Fix typo in gradle tools exit message (#46580)

diff --git a/packages/flutter_tools/lib/src/android/gradle_utils.dart b/packages/flutter_tools/lib/src/android/gradle_utils.dart
index 570c0fbc..b6c26d8 100644
--- a/packages/flutter_tools/lib/src/android/gradle_utils.dart
+++ b/packages/flutter_tools/lib/src/android/gradle_utils.dart
@@ -200,7 +200,7 @@
   if (_isWithinVersionRange(androidPluginVersion, min: '3.4.0', max: '3.5.0')) {
     return '5.6.2';
   }
-  throwToolExit('Unsuported Android Plugin version: $androidPluginVersion.');
+  throwToolExit('Unsupported Android Plugin version: $androidPluginVersion.');
   return '';
 }