Update system bar assets to new style.

Update to new system bar assets (ic_*, stat_*).

Update color resources driving style for battery meter + clock.

Add new xxhdpi versions.

Bug:10502089
Change-Id: Ic957ad9886fbb05ed0ca1765fb9e324bfd8ab609
diff --git a/packages/SystemUI/res/values/styles.xml b/packages/SystemUI/res/values/styles.xml
index 11940a3..cd78041 100644
--- a/packages/SystemUI/res/values/styles.xml
+++ b/packages/SystemUI/res/values/styles.xml
@@ -56,13 +56,7 @@
         <!-- Note: must be dp to fit in status bar -->
         <item name="android:textSize">16dp</item>
         <item name="android:textStyle">normal</item>
-        <item name="android:textColor">@android:color/holo_blue_light</item>
-    </style>
-
-    <style name="TextAppearance.StatusBar.Date" parent="@*android:style/TextAppearance.StatusBar.Icon">
-        <item name="android:textSize">16dp</item>
-        <item name="android:textStyle">normal</item>
-        <item name="android:textColor">@android:color/holo_blue_light</item>
+        <item name="android:textColor">@color/status_bar_clock_color</item>
     </style>
 
     <style name="TextAppearance.StatusBar.Expanded" parent="@*android:style/TextAppearance.StatusBar" />