Merging unnecessary subclass of ActivityAllAppsContainerView

Bug: 266605714
Test: Presubmit
Change-Id: I87272ee827055f58f91a4ad9fb25d5351d453cdb

src/com/android/launcher3/allapps/search/SearchAdapterProvider.java

@@ -16,7 +16,6 @@
 
 package com.android.launcher3.allapps.search;
 
-import android.net.Uri;
 import android.view.View;
 
 import androidx.recyclerview.widget.RecyclerView;
@@ -37,12 +36,6 @@ public abstract class SearchAdapterProvider<T extends ActivityContext> extends B
         mLauncher = launcher;
     }
 
-    /**
-     * Called from LiveSearchManager to notify slice status updates.
-     */
-    public void onSliceStatusUpdate(Uri sliceUri) {
-    }
-
     /**
      * Handles selection event on search adapter item. Returns false if provider can not handle
      * event