am a43f7cb0: am 1507c18f: am 29e55bef: Merge "NFC: getNdefMessage() should throw exception if no tag in field."

* commit 'a43f7cb01e3638607949465d7a872bd5b0ce7253':
  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;
             }