Fixed DeviceConfig to match change made to device schema

Change-Id: I5f7612ec4cdf45b2b93da759ab6ae218af0cd0aa
diff --git a/apps/DeviceConfig/src/com/example/android/deviceconfig/ConfigGenerator.java b/apps/DeviceConfig/src/com/example/android/deviceconfig/ConfigGenerator.java
index b2b08c6..0bfe5d0 100644
--- a/apps/DeviceConfig/src/com/example/android/deviceconfig/ConfigGenerator.java
+++ b/apps/DeviceConfig/src/com/example/android/deviceconfig/ConfigGenerator.java
@@ -110,7 +110,7 @@
     public static final String NODE_GPU = "gpu";
     public static final String NODE_DOCK = "dock";
     public static final String NODE_YDPI = "ydpi";
-    public static final String NODE_PLUGGED_IN = "plugged-in";
+    public static final String NODE_POWER_TYPE = "power-type";
     public static final String NODE_Y_DIMENSION = "y-dimension";
     public static final String NODE_SCREEN_RATIO = "screen-ratio";
     public static final String NODE_NAV_STATE = "nav-state";
@@ -521,7 +521,7 @@
             hardware.appendChild(dock);
             dock.appendChild(doc.createTextNode(" "));
 
-            Element pluggedIn = doc.createElement(PREFIX + NODE_PLUGGED_IN);
+            Element pluggedIn = doc.createElement(PREFIX + NODE_POWER_TYPE);
             hardware.appendChild(pluggedIn);
             pluggedIn.appendChild(doc.createTextNode(" "));