Update imports to android-common
Several files were moved to android-common. Update all the references
to import those files from the new location.
diff --git a/services/java/com/android/server/AppWidgetService.java b/services/java/com/android/server/AppWidgetService.java
index 6bf7102..8797a42 100644
--- a/services/java/com/android/server/AppWidgetService.java
+++ b/services/java/com/android/server/AppWidgetService.java
@@ -57,7 +57,7 @@
import com.android.internal.appwidget.IAppWidgetService;
import com.android.internal.appwidget.IAppWidgetHost;
-import com.android.internal.util.FastXmlSerializer;
+import com.android.common.FastXmlSerializer;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;