KT-2640 Provide jet.MutableIterator and jet.MutableIterable

#KT-2640 fixed

compiler/testData/loadJava/library/LoadIterable.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package test;
+
+public interface LoadIterable<T> {
+    public Iterable<T> getIterable();
+    public void setIterable(Iterable<T> Iterable);
+}