Printed document size not persisted.

We persist ongoing print jobs so they can be restarted if the device
dies. The data size of the printed document was not persisted to disc.

bug:11199352

Change-Id: I53ef1ee285aa4808917dd6a5c7335226aba1ef0a
diff --git a/core/java/android/print/PrintDocumentInfo.java b/core/java/android/print/PrintDocumentInfo.java
index f094962..b721ef4 100644
--- a/core/java/android/print/PrintDocumentInfo.java
+++ b/core/java/android/print/PrintDocumentInfo.java
@@ -193,7 +193,7 @@
         builder.append("name=").append(mName);
         builder.append(", pageCount=").append(mPageCount);
         builder.append(", contentType=").append(contentTyepToString(mContentType));
-        builder.append(", size=").append(mDataSize);
+        builder.append(", dataSize=").append(mDataSize);
         builder.append("}");
         return builder.toString();
     }