title: Set color to unselected tab indicator in tab layout
body: <p>I am using tablayout provided by google and everything is working fine except the color of the unselected tab indicator. I am unable to set the unselected tab indicator color.</p>
  
  <p>
  
  <pre><code> android:layout_width="match_parent"
   android:layout_height="match_parent"&gt;
  
   &lt;android.support.design.widget.AppBarLayout
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"&gt;
  
       &lt;android.support.v7.widget.Toolbar
          android:id="@+id/toolbar"
           android:layout_width="match_parent"
           android:layout_height="?attr/actionBarSize"
           android:background="?attr/colorPrimary"
           app:layout_scrollFlags="scroll|enterAlways"
           app:popupTheme="@style/ThemeOverlay.AppCompat.Light" /&gt;
  
       &lt;android.support.design.widget.TabLayout
           android:id="@+id/tabs"
           android:layout_width="match_parent"
           android:layout_height="wrap_content"
           app:tabMode="fixed"
           style="@style/MyCustomTabLayout"
  
           /&gt;
   &lt;/android.support.design.widget.AppBarLayout&gt;
  
   &lt;android.support.v4.view.ViewPager
       android:id="@+id/viewpager"
       android:layout_width="match_parent"
       android:layout_height="match_parent"
       app:layout_behavior="@string/appbar_scrolling_view_behavior" /&gt; &lt;/android.support.design.widget.CoordinatorLayout&gt;
  </code></pre>