New background for notification panel header.

Bug: 6593364
Change-Id: Ifc0a9c17cbb413316d9a06d9b29cf4ca843c2103

Author: dsandler

packages/SystemUI/res/drawable-hdpi/notification_header_bg.9.png

@@ -20,7 +20,6 @@
     xmlns:systemui="http://schemas.android.com/apk/res/com.android.systemui"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:paddingTop="@dimen/notification_panel_header_padding_top"
     android:background="@drawable/notification_header_bg"
     android:orientation="horizontal"
     android:gravity="center_vertical"

packages/SystemUI/res/drawable-mdpi/notification_header_bg.9.png

@@ -24,7 +24,6 @@
     <drawable name="status_bar_recents_app_thumbnail_background">#88000000</drawable>
     <color name="status_bar_recents_app_label_color">#ffffffff</color>
     <drawable name="status_bar_notification_row_background_color">#ff090909</drawable>
-    <drawable name="notification_header_bg">#FF000000</drawable>
     <color name="notification_list_shadow_top">#80000000</color>
     <drawable name="recents_callout_line">#99ffffff</drawable>
     <drawable name="notification_item_background_legacy_color">#ffaaaaaa</drawable>