Checkpoint of data usage UI, graphs and lists.

Chart of network usage over time, with draggable "sweep" bars for
inspection region and warning/limits.  Talks with NetworkStatsService
for live data, and updates list of application usage as inspection
region changes.

Change-Id: I2a406e6776daf7d74143c07ec683c10fe711c277
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 5634cbf..bb64059 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1128,6 +1128,19 @@
                 android:resource="@id/security_settings" />
         </activity>
 
+        <activity android:name="Settings$DataUsageSummaryActivity"
+                android:label="@string/data_usage_summary_title">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <action android:name="android.intent.action.DATA_USAGE_SUMMARY" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+                android:value="com.android.settings.DataUsageSummary" />
+            <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
+                android:resource="@id/wireless_settings" />
+        </activity>
+
         <receiver android:name=".widget.SettingsAppWidgetProvider"
                 android:label="@string/gadget_title"
                 android:exported="false"
@@ -1142,5 +1155,6 @@
             </intent-filter>
             <meta-data android:name="android.appwidget.provider" android:resource="@xml/appwidget_info" />
         </receiver>
+
     </application>
 </manifest>