Add logging constants for Settings search screen

    // logged when we execute an app transition.

    APP_TRANSITION = 761;

    // ACTION: User leaves Settings search UI without entering any query.

    ACTION_LEAVE_SEARCH_RESULT_WITHOUT_QUERY = 762;

    // ACTION: Clicking on any search result in Settings.

    ACTION_CLICK_SETTINGS_SEARCH_RESULT = 763;

    // ---- End O Constants, all O constants go above this line ----