title: TextInputEditText not showing drawableRight icon
body: <p>I am using code bellow to display User name Input. EditText is working properly but Right side display icon is not visible.     </p>
  
  <pre><code>&lt;android.support.design.widget.TextInputLayout
          android:id="@+id/login_screen_edit_text_username_wrapper"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"&gt;
          &lt;android.support.design.widget.TextInputEditText
              android:id="@+id/login_screen_edit_text_username"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:hint="@string/label_username"
              android:inputType="text"
              android:drawableRight="@mipmap/email_icon"
              android:text="abcd@gmail.com"
              /&gt;
      &lt;/android.support.design.widget.TextInputLayout&gt;
  </code></pre>
  
  <p>I am testing this code on Nexus6p android version 6.0. Parent layout is LinearLayout.Please update if anybody facing same issue and got fix for it. </p>