Fix RecyclerView adapter position lint error

Use ViewHodler.getAdapterPosition() instead of method position.

Author: ukaratkevich

demos/custom-tabs-example-app/src/main/java/org/chromium/customtabsdemos/DemoListActivity.java

@@ -135,6 +135,7 @@ public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int position)
 
         @Override
         public void onBindViewHolder(ViewHolder viewHolder, int position) {
+            position = viewHolder.getAdapterPosition();
             final ActivityDesc activityDesc = mActivityDescs.get(position);
             String title = activityDesc.mTitle;
             String description = activityDesc.mDescription;