Java: Don't fold too complex expressions when extracting method (IDEA-175221, IDEA-167255)

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

@@ -0,0 +1,9 @@
+class Foo {
+    boolean bar(String[] a) {
+        for (int i = 0; i < a.length; i++) {<selection>
+            if (a[i].length() > 3 && i % 3 == 0)
+                return true;
+        </selection>}
+        return false;
+    }
+}