Distinguish adding an already present word / cancelling

Bug: 7725834
Change-Id: Iab3d1818f008a553868fb30e8460ea3f77c2de50

src/com/android/settings/inputmethod/UserDictionaryAddWordFragment.java

@@ -116,7 +116,7 @@ public class UserDictionaryAddWordFragment extends Fragment
         super.onPause();
         // We are being hidden: commit changes to the user dictionary, unless we were deleting it
         if (!mIsDeleting) {
-            mContents.apply(getActivity());
+            mContents.apply(getActivity(), null);
         }
     }