extract method: skip parenthesis as they are skipped by control flow (IDEA-134904)

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

@@ -0,0 +1,7 @@
+class Test {
+  {
+    int i = 2;
+    int n = 5;
+    boolean b = !<selection>(i < n)</selection>;
+  }
+}

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

@@ -0,0 +1,11 @@
+class Test {
+  {
+    int i = 2;
+    int n = 5;
+    boolean b = !newMethod(i, n);
+  }
+
+    private boolean newMethod(int i, int n) {
+        return i < n;
+    }
+}