title: Android spinner dropdown icon get hidden under background image
body: <p>I am using <code>Spinner</code> in my android application where I use <code>Spinner</code> in a <code>LinearLayout</code> and  I use <code>Relative Layout</code> with image background and <code>LinerLayout</code> inside <code>FrameLayout</code> to show the background image. In this case, my dropdown icon getting hidden behind the background image. Here my sample code.</p>
  
  <pre><code>&lt;FrameLayout
          xmlns:android="http://schemas.android.com/apk/res/android"
          android:minWidth="25px"
          android:minHeight="25px"
          android:layout_width="match_parent"
          android:orientation="vertical"
          android:background="#FFFF"
          android:layout_height="match_parent"
          android:id="@+id/mainLinearLayout"&gt;
      &lt;RelativeLayout
          android:layout_width="match_parent"
          android:layout_height="match_parent"
          android:layout_gravity="bottom"
          android:id="@android:id/background"
          android:background="@drawable/devbg"/&gt;
      &lt;LinearLayout
          android:minWidth="25px"
          android:minHeight="25px"
          android:layout_width="match_parent"
          android:orientation="vertical"
          android:layout_height="match_parent"
          android:id="@+id/linearLayout1"&gt; 
        &lt;Spinner
              android:id="@+id/dropStatus"
              style="@style/Base.Widget.AppCompat.DropDownItem.Spinner"
              android:theme="@style/CardView.Dark"
              android:spinnerMode="dropdown"
              android:layout_width="180dp"
              android:layout_height="30dp"
              android:layout_marginBottom="7dp"
              android:layout_marginLeft="5dp"
              android:textSize="16dp"
              android:foregroundTint="#FF000000"
              android:backgroundTint="#FF000000"
              android:textAlignment="center"
              android:drawSelectorOnTop="true"/&gt; 
     &lt;/LinearLayout&gt;
  &lt;/FrameLayout&gt;
  </code></pre>