leave foreign params untouched (IDEA-119700)

java/java-tests/testData/refactoring/changeSignature/ParamJavadoc3_after.java

@@ -0,0 +1,13 @@
+class X {
+
+    /**
+     * Has a method called {@link #mymethod(boolean, boolean)}.
+     */
+    public class TestRefactorLink {
+      /**
+       * @param x aparam
+       * @param b
+       */
+        public void mymethod(boolean a, boolean b) { }
+    }
+}