[flutter_tools] Implement NotifyingLogger.supportsColor (#113635)

Author: christopherfujino

packages/flutter_tools/lib/src/commands/daemon.dart

@@ -1259,7 +1259,7 @@ class NotifyingLogger extends DelegatingLogger {
   void sendEvent(String name, [Map<String, Object?>? args]) { }
 
   @override
-  bool get supportsColor => throw UnimplementedError();
+  bool get supportsColor => false;
 
   @override
   bool get hasTerminal => false;

packages/flutter_tools/test/commands.shard/hermetic/daemon_test.dart

@@ -708,6 +708,11 @@ void main() {
       expect(message.level, 'status');
       expect(message.message, 'hello');
     });
+
+    testWithoutContext('responds to .supportsColor', () async {
+      final NotifyingLogger logger = NotifyingLogger(verbose: false, parent: bufferLogger);
+      expect(logger.supportsColor, isFalse);
+    });
   });
 
   group('daemon queue', () {