title: Change EditText hint color when using TextInputLayout
body: <p>I am using the new <code>TextInputLayout</code> from the design library. I am able to get it to show and to change the color of the floating label. Unfortunately the actual <code>EditText</code> hint is now always white. </p>
  
  <p>I have tried changing the hintColor in XML, styles, and programmatically and also tried using the <code>android.support.v7.widget.AppCompatEditText</code>
  but the <code>EditText</code> hint always shows white. </p>
  
  <p>Here is my XML for my <code>TextInputLayout</code> and <code>EditText</code></p>
  
  <pre><code>&lt;android.support.design.widget.TextInputLayout
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android.support.design:hintTextAppearance="@style/GreenTextInputLayout"&gt;
  
  
      &lt;EditText
  
      android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:id="@+id/city"
          android:textColorHint="@color/black"
          android:hint="@string/city" /&gt;
  
  &lt;/android.support.design.widget.TextInputLayout&gt;
  </code></pre>
  
  <p>And here is the style I am using for the <code>TextInputLayout</code> (I tried making the <code>hintTextColor</code> attribute black but didn't do anything for me):</p>
  
  <pre><code>&lt;style name="GreenTextInputLayout" parent="@style/TextAppearance.AppCompat"&gt;
      &lt;item name="android:textColor"&gt;@color/homestory_green&lt;/item&gt;
  &lt;/style&gt;
  </code></pre>