Change settings style to non AppCompat

Bug 27257097

Change-Id: I89575eb91c9235b9224861eda47bd1a04221d641
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 97486fb..708675b 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -299,10 +299,8 @@
         <item name="android:layout_height">match_parent</item>
     </style>
 
-    <style name="ContactsPreferencesTheme" parent="@style/PeopleThemeAppCompat">
-        <!-- Styles that require AppCompat compatibility, remember to update both sets -->
-        <item name="android:alertDialogTheme">@style/ContactsAlertDialogThemeAppCompat</item>
-        <item name="alertDialogTheme">@style/ContactsAlertDialogThemeAppCompat</item>
+    <style name="ContactsPreferencesTheme" parent="@style/PeopleTheme">
+        <item name="android:listViewStyle">@style/ListViewStyle</item>
     </style>
 
     <style name="ContactListFilterTheme" parent="@style/PeopleThemeAppCompat">