title: Overflow button on toolbar change color
body: <p>I would like to change color of my overflow button (3 dots) on toolbar but i have a problem with this... I check few topics and i found a solutions... but it work only on Android 5.0 and higher... 
  Of course I can change it using colorPrimary but it's not a solutions for me.. 
  I would like to change only color of overflow button.
  If extra information needed please comment.</p>
  
  <p>This is declaration of my toolbar:</p>
  
  <pre><code>&lt;android.support.v7.widget.Toolbar xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:background="@color/blue_background"
  android:elevation="4dp"&gt;
  </code></pre>
  
  <p></p>
  
  <p>This is my styles:</p>
  
  <pre><code> &lt;style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar"&gt;
      &lt;item name="android:actionBarStyle"&gt;@style/MyTheme.ActionBarStyle&lt;/item&gt;
      &lt;!--   your app branding color for the app bar --&gt;
      &lt;item name="colorPrimary"&gt;@color/blue_background&lt;/item&gt;
      &lt;!--   darker variant for the status bar and contextual app bars --&gt;
      &lt;!--&lt;item name="android:colorPrimaryDark"&gt;@color/primary_dark&lt;/item&gt;--&gt;
  
      &lt;!--   theme UI controls like checkboxes and text fields --&gt;
      &lt;item name="colorAccent"&gt;@color/search_button&lt;/item&gt;
  
      &lt;item name="android:textColorPrimary"&gt;@color/search_button&lt;/item&gt;
      &lt;item name="android:textColorSecondary"&gt;@color/search_button&lt;/item&gt;
      &lt;item name="android:logo"&gt;@drawable/dbc_logo_white&lt;/item&gt;
      &lt;item name="android:actionOverflowButtonStyle"&gt;@style/menuOverflow&lt;/item&gt;
  
  &lt;/style&gt;
  
  &lt;style name="menuOverflow" parent="Widget.AppCompat.ActionButton.Overflow"&gt;
      &lt;item name="android:src"&gt;@drawable/ic_action_overflow&lt;/item&gt;
  &lt;/style&gt;
  </code></pre>