Punch up the date contrast.

Bug: 6499757
Change-Id: I489718a8d167d30465bc16cfc3167d8d073efd2c

Author: dsandler

packages/SystemUI/res/values/styles.xml

@@ -59,7 +59,7 @@
     <style name="TextAppearance.StatusBar.Expanded.Date">
         <item name="android:textSize">12dp</item>
         <item name="android:textStyle">normal</item>
-        <item name="android:textColor">#666666</item>
+        <item name="android:textColor">#cccccc</item>
         <item name="android:textAllCaps">true</item>
     </style>