Check for taskbar 3 button flag when initializing RotationContextualButton

Fixes: 190063583
Change-Id: Ibc8ee6586cdf7316f61bae9fc5eff39b4b9992f1
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarIconController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarIconController.java
index 5d4b8b7..549e26c 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarIconController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarIconController.java
@@ -73,7 +73,7 @@
         mTaskbarView.getLayoutParams().height = mActivity.getDeviceProfile().taskbarSize;
 
         mDragLayer.init(new TaskbarDragLayerCallbacks(), mTaskbarView);
-        if (navMode == SysUINavigationMode.Mode.THREE_BUTTONS) {
+        if (mActivity.canShowNavButtons()) {
             mRotationButtonController.setRotationButton(mTaskbarView.getContextualRotationButton());
         }
     }