Add third_party/android_data_chart for data chart widget.

third_party/android_snippets/java/res/values/dimens.xml

Index: third_party/android_snippets/java/res/values/dimens.xml
diff --git a/third_party/android_snippets/java/res/values/dimens.xml b/third_party/android_snippets/java/res/values/dimens.xml
new file mode 100644
index 0000000000000000000000000000000000000000..71373f96c036219d592566ec63e570b42189e97d
--- /dev/null
+++ b/third_party/android_snippets/java/res/values/dimens.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2015 The Chromium Authors. All rights reserved.
+     Use of this source code is governed by a BSD-style license that can be
+     found in the LICENSE file. -->
+
+<resources>
+    <!-- Data usage chart dimensions -->
+    <dimen name="data_usage_chart_height">252dp</dimen>
+</resources>