title: Extra spaces in gridview inside recyclerview
body: <p>Hallo i have some problem in gridviiew inside recyclerview, there is some spaces above grid item 2. like this pic. that spaces changes dinamicaly if i reload content inside recyclerview.</p>
  
  <p>normal recyclerview</p>
  
  <pre><code>&lt;android.support.v7.widget.RecyclerView
                      android:id="@+id/recyclerView2"
                      android:layout_width="match_parent"
  
                      android:layout_height="match_parent"
                    /&gt;
  </code></pre>
  
  <p>item cardview </p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;android.support.v7.widget.CardView
      xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:card_view="http://schemas.android.com/apk/res-auto"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
  
      android:layout_margin="2dp"
  
      android:clickable="true"
      android:clipChildren="true"
  
  
      card_view:cardPreventCornerOverlap="false"
      card_view:cardUseCompatPadding="false"
      android:foreground="?attr/selectableItemBackground"
      android:orientation="vertical"&gt;
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/2dtl0.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/2dtl0.png" alt="enter image description here"></a></p>