SystemUI: Log an error instead of throwing an exception if navigation bar is enabled in tablet UI

            // Sanity-check that someone hasn't set up the config wrong and asked for a navigation

            // bar on a tablet that has only the system bar

            if (mWindowManager.hasNavigationBar()) {

                throw new RuntimeException(

                        "Tablet device cannot show navigation bar and system bar");

                Slog.e(TAG, "Tablet device cannot show navigation bar and system bar");

            }

        } catch (RemoteException ex) {

        }