am 29e55bef: Merge "NFC: getNdefMessage() should throw exception if no tag in field."

* commit '29e55bef771ee1453017fbf73bb4de62d356e4fc':
  NFC: getNdefMessage() should throw exception if no tag in field.

core/java/android/nfc/tech/Ndef.java

@@ -278,6 +278,8 @@ public final class Ndef extends BasicTagTechnology {
                     throw new TagLostException();
                 }
                 return msg;
+            } else if (!tagService.isPresent(serviceHandle)) {
+                throw new TagLostException();
             } else {
                 return null;
             }