Reapply "Make Map constructors return LinkedHashMap."

pkg/analyzer_experimental/lib/src/generated/java_core.dart

 library java.core;
 
 import "dart:math" as math;
 import "dart:collection" show ListBase;
 
 class JavaSystem {
   static int currentTimeMillis() {
     return (new DateTime.now()).millisecondsSinceEpoch;
   }
 
@@ skipping 16 matching lines @@
     return true;
   }
   String oTypeName = o.runtimeType.toString();
   String tTypeName = t.toString();
   if (oTypeName == tTypeName) {
     return true;
   }
   if (oTypeName.startsWith("HashMap") && tTypeName == "Map") {
     return true;
   }
+  if (oTypeName.startsWith("LinkedHashMap") && tTypeName == "Map") {
+    return true;
+  }
   if (oTypeName.startsWith("List") && tTypeName == "List") {
     return true;
   }
   // Dart Analysis Engine specific
   if (oTypeName == "${tTypeName}Impl") {
     return true;
   }
   if (tTypeName == "MethodElement") {
     if (oTypeName == "MethodMember") {
       return true;
@@ skipping 482 matching lines @@
   }
   void clear() {
     sb = new StringBuffer();
   }
 }
 
 abstract class Enum<E> implements Comparable<E> {
   int get ordinal;
   String get name;
 }