rk3568 安卓11双屏异显，隐藏副屏的导航栏

rk3568 安卓11双屏异显，当前项目有两个屏，一个是mipi 接口设为主屏，一个rgb 接口设为副屏，现在需要将副屏底部虚拟导航栏隐藏，有快速的方法：
在framework/base/services/core/java/com/android/server/wm/DisplayPolicy.java

diff --git a/services/core/java/com/android/server/wm/DisplayPolicy.java b/services/core/java/com/android/server/wm/DisplayPolicy.java
index 29881cc761b2..f340bb308a0f 100644
--- a/services/core/java/com/android/server/wm/DisplayPolicy.java
+++ b/services/core/java/com/android/server/wm/DisplayPolicy.java
@@ -656,7 +656,8 @@ public class DisplayPolicy {
             }
         } else {
             mHasStatusBar = false;
-            mHasNavigationBar = mDisplayContent.supportsSystemDecorations();
+           mHasNavigationBar = false;
+            //mHasNavigationBar = mDisplayContent.supportsSystemDecorations();
         }

         mRefreshRatePolicy = new RefreshRatePolicy(mService,
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编译烧录即可。