Reference download asset through intermediate.

Instead of referencing PNG directly, use an intermediate <bitmap>
to handle density resolution.

Bug: 5366540
Change-Id: I233e292d88ac33995eab0e15804bb38607de73a3

Author: jsharkey

core/res/res/drawable/stat_sys_download_done_static.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2011 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
+    android:src="@drawable/stat_sys_download_anim0" />

core/res/res/values/colors.xml

@@ -61,7 +61,7 @@
     <color name="suggestion_highlight_text">#177bbd</color>
 
     <drawable name="stat_notify_sync_noanim">@drawable/stat_notify_sync_anim0</drawable>
-    <drawable name="stat_sys_download_done">@drawable/stat_sys_download_anim0</drawable>
+    <drawable name="stat_sys_download_done">@drawable/stat_sys_download_done_static</drawable>
     <drawable name="stat_sys_upload_done">@drawable/stat_sys_upload_anim0</drawable>
     <drawable name="dialog_frame">@drawable/panel_background</drawable>
     <drawable name="alert_dark_frame">@drawable/popup_full_dark</drawable>