Set activated switch color in Settings to red.

Bug: 23912407
Change-Id: Id0ad19f10a349d489f0e6482a71f942fdc3af8c2
diff --git a/res/values-v21/styles.xml b/res/values-v21/styles.xml
index 30b07c1..a8e79f3 100644
--- a/res/values-v21/styles.xml
+++ b/res/values-v21/styles.xml
@@ -22,6 +22,7 @@
 
         <!-- Attributes from support.v7.appcompat -->
         <item name="actionBarStyle">@style/SettingsActionBarStyle</item>
+        <item name="colorControlActivated">?attr/colorAccent</item>
         <item name="windowActionBar">true</item>
         <item name="windowNoTitle">false</item>
     </style>