Make List.skip, List.take and List.reversed return Iterables, not Lists.

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

Index: pkg/analyzer-experimental/lib/src/generated/java_core.dart
diff --git a/pkg/analyzer-experimental/lib/src/generated/java_core.dart b/pkg/analyzer-experimental/lib/src/generated/java_core.dart
index 25c8862ddf6a8ee079c239df6cb253fc31cb9991..11077b713f1b16cb7f354332f79b7f82348d063c 100644
--- a/pkg/analyzer-experimental/lib/src/generated/java_core.dart
+++ b/pkg/analyzer-experimental/lib/src/generated/java_core.dart
@@ -257,7 +257,7 @@ class ListWrapper<E> extends Collection<E> implements List<E> {
     return elements.removeLast();
   }
 
-  List<E> get reversed => elements.reversed;
+  Iterable<E> get reversed => elements.reversed;
 
   List<E> getRange(int start, int length) {
     return elements.getRange(start, length);
@@ -298,4 +298,4 @@ bool javaSetAdd(Set s, o) {
     return true;
   }
   return false;
-}
+}