Java: Support parameter folding in parametrized duplicates of the extracted method (IDEA-179924)

java/java-tests/testData/refactoring/extractMethod/SuggestChangeSignatureWithMultiFolding.java

@@ -0,0 +1,13 @@
+import java.util.List;
+
+class Test {
+  void foo(String[] a, List<String> b) {
+    for (int i = 0; i < a.length; i++) {
+      <selection>System.out.println("a:" + a[i]);</selection>
+    }
+
+    for (int i = 0; i < b.size(); i++) {
+      System.out.println("b:" + b.get(i));
+    }
+  }
+}