Data plan usage summary activity.

Change-Id: Ibb0889563d432591fd00ac00d03633b1894ad124
Note: These changes are required for Data balance UI.
Bug: 62349208
Test: make RunSettingsRoboTests -j40
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 01dc44b..be93d87 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -89,6 +89,7 @@
     public static class AccountSyncSettingsInAddAccountActivity extends SettingsActivity { /* empty */ }
     public static class CryptKeeperSettingsActivity extends SettingsActivity { /* empty */ }
     public static class DeviceAdminSettingsActivity extends SettingsActivity { /* empty */ }
+    public static class DataPlanUsageSummaryActivity extends SettingsActivity { /* empty */ }
     public static class DataUsageSummaryActivity extends SettingsActivity { /* empty */ }
     public static class MobileDataUsageListActivity extends SettingsActivity { /* empty */ }
     public static class ConfigureWifiSettingsActivity extends SettingsActivity { /* empty */ }