Change new List(n) to return fixed length list.

pkg/analyzer-experimental/lib/src/generated/java_engine.dart

 library java.engine;
 
 import "dart:io";
 import "java_core.dart";
 import "source.dart";
 import "error.dart";
 import "ast.dart";
 import "element.dart";
 
 //class AnalysisException implements Exception {
@@ skipping 27 matching lines @@
 //  }
 //  getPublicNamespace(LibraryElement library) {
 //    throw new UnsupportedOperationException();
 //  }
 //  CompilationUnit parse(Source source, AnalysisErrorListener errorListener) {
 //    throw new UnsupportedOperationException();
 //  }
 //}
 
 class StringUtilities {
-  static List<String> EMPTY_ARRAY = new List.fixedLength(0);
+  static List<String> EMPTY_ARRAY = new List(0);
 }
 
 File createFile(String path) => new File(path);
 
 class OSUtilities {
   static bool isWindows() => Platform.operatingSystem == 'windows';
   static bool isMac() => Platform.operatingSystem == 'macos';
-}
+}