Pass in navigation bar panel context created by task bar when taskbar navbar unification is on

When the flag is on, task bar is created with window context navigation bar. The floating rotation button window context should be in navigation bar panel.

Fixes: 309930089
Test: N/A
Change-Id: I730a4b898d9fb65cc5d7544dcb37dfe32d49a632

quickstep/src/com/android/launcher3/taskbar/DesktopNavbarButtonsViewController.java

@@ -18,12 +18,15 @@ package com.android.launcher3.taskbar;
 import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_NOTIFICATIONS;
 import static com.android.launcher3.taskbar.TaskbarNavButtonController.BUTTON_QUICK_SETTINGS;
 
+import android.content.Context;
 import android.content.pm.ActivityInfo.Config;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
 
+import androidx.annotation.Nullable;
+
 import com.android.launcher3.R;
 
 /**
@@ -40,8 +43,8 @@ public class DesktopNavbarButtonsViewController extends NavbarButtonsViewControl
     private TaskbarControllers mControllers;
 
     public DesktopNavbarButtonsViewController(TaskbarActivityContext context,
-            FrameLayout navButtonsView) {
-        super(context, navButtonsView);
+            @Nullable Context navigationBarPanelContext, FrameLayout navButtonsView) {
+        super(context, navigationBarPanelContext, navButtonsView);
         mContext = context;
         mNavButtonsView = navButtonsView;
         mNavButtonContainer = mNavButtonsView.findViewById(R.id.end_nav_buttons);