android 11.0 SystemUI导航栏添加虚拟按键(二）

11.0导航栏增加按键修改：
NavigationBarInflaterView.java的修改

-- a/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarInflaterView.java
+++ b/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarInflaterView.java
@@ -60,8 +60,17 @@ public class NavigationBarInflaterView extends FrameLayout
public static final String NAV_BAR_RIGHT = "sysui_nav_bar_right";

public static final String MENU_IME_ROTATE = "menu_ime";
+       public static final String ARROW ="arrow";
+       publ