title: How to change the up navigation icon in android on searchview expand
body: <p>i'm using actionbarsherlock for my actionbar. I have a sliding menu and searchview. when the application get launches, it will automatically pick the up navigation icon from style.xml file.</p>
  
  <p>When the search menu gets expanded, the up navigation icon will not get changed, it will be still looking like 3 line slider menu. How to change the up navigation icon when searchview is expanded?. I have represented the flow in below image.</p>
  
  <p><img src="https://i.stack.imgur.com/GRN4x.png" alt="enter image description here"></p>