Allow overriding getOptionsPopup test method.

Test: TAPL
Bug: 205491724
Change-Id: Ib4adfa85df6aa9e52922f76479487c9459535fcd

src/com/android/launcher3/views/OptionsPopupView.java

@@ -37,7 +37,6 @@ import android.view.View.OnLongClickListener;
 import android.widget.Toast;
 
 import androidx.annotation.Nullable;
-import androidx.annotation.VisibleForTesting;
 import androidx.core.content.ContextCompat;
 
 import com.android.launcher3.AbstractFloatingView;
@@ -176,11 +175,6 @@ public class OptionsPopupView extends ArrowPopup<Launcher>
         return children;
     }
 
-    @VisibleForTesting
-    public static ArrowPopup getOptionsPopup(Launcher launcher) {
-        return launcher.findViewById(R.id.popup_container);
-    }
-
     /**
      * Returns the list of supported actions
      */