[Android] Permanently disable "All bookmarks" and remove its experiment

chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSearchView.java

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.bookmarks;
 
 import android.content.Context;
 import android.os.Parcelable;
 import android.support.v7.widget.Toolbar;
 import android.text.Editable;
@@ skipping 341 matching lines @@
         mBookmarkModel = mDelegate.getModel();
     }
 
     @Override
     public void onDestroy() {
         mBookmarkModel.removeObserver(mModelObserver);
         mDelegate.removeUIObserver(this);
     }
 
     @Override
-    public void onAllBookmarksStateSet() {
-    }
-
-    @Override
     public void onFolderStateSet(BookmarkId folder) {
     }
 
     @Override
     public void onSelectionStateChange(List<BookmarkId> selectedBookmarks) {
     }
 
     private class ResultListAdapter extends BaseAdapter {
         private BookmarkDelegate mDelegate;
         private List<BookmarkMatch> mBookmarktList;
@@ skipping 27 matching lines @@
                         R.layout.bookmark_search_row, parent, false);
             }
             final BookmarkSearchRow row = (BookmarkSearchRow) convertView;
             row.onBookmarkDelegateInitialized(mDelegate);
             row.setBookmarkId(bookmarkMatch.getBookmarkId());
             row.setSearchHistoryDelegate(BookmarkSearchView.this);
             return convertView;
         }
     }
 }