CTS NFC tests: don't write to page 4 on UL tags.

Page 4 is a one-time programmable area on those tags,
preventing them from being reused for any other purpose
after running this test. Use page 5 instead, which is
rewriteable.

Change-Id: Iaee07018de5451869b3cc43044451895ebe65333
diff --git a/apps/CtsVerifier/src/com/android/cts/verifier/nfc/tech/MifareUltralightTagTester.java b/apps/CtsVerifier/src/com/android/cts/verifier/nfc/tech/MifareUltralightTagTester.java
index 23f4762..038d276 100644
--- a/apps/CtsVerifier/src/com/android/cts/verifier/nfc/tech/MifareUltralightTagTester.java
+++ b/apps/CtsVerifier/src/com/android/cts/verifier/nfc/tech/MifareUltralightTagTester.java
@@ -29,7 +29,7 @@
  */
 public class MifareUltralightTagTester implements TagTester {
 
-    private static final int USER_PAGE_OFFSET = 4;
+    private static final int USER_PAGE_OFFSET = 5;
 
     private static final int NUM_PAGES = 4;
 
@@ -77,4 +77,4 @@
             }
         };
     }
-}
\ No newline at end of file
+}