Don't print how to consume AARs when building plugins as AARs (#44301)

packages/flutter_tools/lib/src/android/android_builder.dart

diff --git a/packages/flutter_tools/lib/src/android/android_builder.dart b/packages/flutter_tools/lib/src/android/android_builder.dart
index 77bf76a..b362591 100644
--- a/packages/flutter_tools/lib/src/android/android_builder.dart
+++ b/packages/flutter_tools/lib/src/android/android_builder.dart
@@ -70,6 +70,7 @@
         androidBuildInfo: androidBuildInfo,
         target: target,
         outputDir: outputDirectory,
+        printHowToConsumeAaar: true,
       );
     } finally {
       androidSdk.reinitialize();

packages/flutter_tools/lib/src/android/gradle.dart

diff --git a/packages/flutter_tools/lib/src/android/gradle.dart b/packages/flutter_tools/lib/src/android/gradle.dart
index f658048..3c509e8 100644
--- a/packages/flutter_tools/lib/src/android/gradle.dart
+++ b/packages/flutter_tools/lib/src/android/gradle.dart
@@ -472,7 +472,14 @@
   @required AndroidBuildInfo androidBuildInfo,
   @required String target,
   @required Directory outputDir,
+  @required bool printHowToConsumeAaar,
 }) async {
+  assert(project != null);
+  assert(androidBuildInfo != null);
+  assert(target != null);
+  assert(outputDir != null);
+  assert(printHowToConsumeAaar != null);
+
   if (androidSdk == null) {
     exitWithNoSdkMessage();
   }
@@ -564,11 +571,13 @@
     '$successMark Built ${fs.path.relative(repoDirectory.path)}.',
     color: TerminalColor.green,
   );
-  _printHowToConsumeAar(
-    buildMode: androidBuildInfo.buildInfo.modeName,
-    androidPackage: project.manifest.androidPackage,
-    repoPath: repoDirectory.path,
-  );
+  if (printHowToConsumeAaar) {
+    _printHowToConsumeAar(
+      buildMode: androidBuildInfo.buildInfo.modeName,
+      androidPackage: project.manifest.androidPackage,
+      repoPath: repoDirectory.path,
+    );
+  }
 }
 
 /// Prints how to consume the AAR from a host app.
@@ -688,6 +697,7 @@
         ),
         target: '',
         outputDir: buildDirectory,
+        printHowToConsumeAaar: false,
       );
     } on ToolExit {
       // Log the entire plugin entry in `.flutter-plugins` since it

packages/flutter_tools/test/general.shard/android/gradle_test.dart

diff --git a/packages/flutter_tools/test/general.shard/android/gradle_test.dart b/packages/flutter_tools/test/general.shard/android/gradle_test.dart
index d131f8f..294716e 100644
--- a/packages/flutter_tools/test/general.shard/android/gradle_test.dart
+++ b/packages/flutter_tools/test/general.shard/android/gradle_test.dart
@@ -1501,7 +1501,7 @@
       ProcessManager: () => mockProcessManager,
     });
 
-    testUsingContext('indicates how to consume an AAR', () async {
+    testUsingContext('indicates how to consume an AAR when printHowToConsumeAaar is true', () async {
       final File manifestFile = fs.file('pubspec.yaml');
       manifestFile.createSync(recursive: true);
       manifestFile.writeAsStringSync('''
@@ -1533,6 +1533,7 @@
         project: FlutterProject.current(),
         outputDir: fs.directory('build/'),
         target: '',
+        printHowToConsumeAaar: true,
       );
 
       final BufferLogger logger = context.get<Logger>();
@@ -1573,6 +1574,60 @@
       ProcessManager: () => mockProcessManager,
     });
 
+    testUsingContext('doesn\'t indicate how to consume an AAR when printHowToConsumeAaar is false', () async {
+      final File manifestFile = fs.file('pubspec.yaml');
+      manifestFile.createSync(recursive: true);
+      manifestFile.writeAsStringSync('''
+        flutter:
+          module:
+            androidPackage: com.example.test
+        '''
+      );
+
+      fs.file('.android/gradlew').createSync(recursive: true);
+
+      fs.file('.android/gradle.properties')
+        .writeAsStringSync('irrelevant');
+
+      fs.file('.android/build.gradle')
+        .createSync(recursive: true);
+
+      // Let any process start. Assert after.
+      when(mockProcessManager.run(
+        any,
+        environment: anyNamed('environment'),
+        workingDirectory: anyNamed('workingDirectory'),
+      )).thenAnswer((_) async => ProcessResult(1, 0, '', ''));
+
+      fs.directory('build/outputs/repo').createSync(recursive: true);
+
+      await buildGradleAar(
+        androidBuildInfo: const AndroidBuildInfo(BuildInfo(BuildMode.release, null)),
+        project: FlutterProject.current(),
+        outputDir: fs.directory('build/'),
+        target: '',
+        printHowToConsumeAaar: false,
+      );
+
+      final BufferLogger logger = context.get<Logger>();
+      expect(
+        logger.statusText,
+        contains('Built build/outputs/repo'),
+      );
+      expect(
+        logger.statusText.contains('Consuming the Module'),
+        isFalse,
+      );
+
+    }, overrides: <Type, Generator>{
+      AndroidSdk: () => mockAndroidSdk,
+      AndroidStudio: () => mockAndroidStudio,
+      Cache: () => cache,
+      Platform: () => android,
+      FileSystem: () => fs,
+      ProcessManager: () => mockProcessManager,
+    });
+
     testUsingContext('build apk uses selected local engine', () async {
       when(mockArtifacts.getArtifactPath(Artifact.flutterFramework,
           platform: TargetPlatform.android_arm, mode: anyNamed('mode'))).thenReturn('engine');
@@ -1715,6 +1770,7 @@
         project: FlutterProject.current(),
         outputDir: fs.directory('build/'),
         target: '',
+        printHowToConsumeAaar: false,
       );
 
       final List<String> actualGradlewCall = verify(