Add link to more detailed multidex information. (#104558)

diff --git a/packages/flutter_tools/lib/src/android/gradle_errors.dart b/packages/flutter_tools/lib/src/android/gradle_errors.dart
index 903f763..6ac8933 100644
--- a/packages/flutter_tools/lib/src/android/gradle_errors.dart
+++ b/packages/flutter_tools/lib/src/android/gradle_errors.dart
@@ -101,6 +101,7 @@
     if (multidexEnabled) {
       globals.printStatus(
         'Multidex support is required for your android app to build since the number of methods has exceeded 64k. '
+        'See https://docs.flutter.dev/deployment/android#enabling-multidex-support for more information. '
         "You may pass the --no-multidex flag to skip Flutter's multidex support to use a manual solution.\n",
         indent: 4,
       );
diff --git a/packages/flutter_tools/test/general.shard/android/gradle_errors_test.dart b/packages/flutter_tools/test/general.shard/android/gradle_errors_test.dart
index 81aa520..e1b792e 100644
--- a/packages/flutter_tools/test/general.shard/android/gradle_errors_test.dart
+++ b/packages/flutter_tools/test/general.shard/android/gradle_errors_test.dart
@@ -363,6 +363,11 @@
       );
       expect(testLogger.statusText,
         contains(
+          'See https://docs.flutter.dev/deployment/android#enabling-multidex-support for more information.'
+        )
+      );
+      expect(testLogger.statusText,
+        contains(
           'Your `android/app/src/main/AndroidManifest.xml` does not contain'
         )
       );