Update highlight attribute

Change-Id: Ib9373bd3c89dbf28b4586d95306d02a3999b119e
diff --git a/res/drawable/dashboard_tile_background.xml b/res/drawable/dashboard_tile_background.xml
index 92b6f42..f66ff23 100644
--- a/res/drawable/dashboard_tile_background.xml
+++ b/res/drawable/dashboard_tile_background.xml
@@ -15,7 +15,7 @@
 -->
 
 <ripple xmlns:android="http://schemas.android.com/apk/res/android"
-                android:tint="?android:attr/colorButtonPressed">
+                android:tint="?android:attr/colorControlHighlight">
     <item>
         <color android:color="@android:color/white" />
     </item>