Fix bad references in preloaded-classes

http://ag/352924 renamed INdefPushCallback
to IAppCallback. Update preloaded-classes
to reflect this.

This is a cherry-pick of Id552e94e3a01cdd61593480f3c0aedb32d185f80

Change-Id: I0901f14fb41f94e3c7572c09e090ec5903a878d1
diff --git a/preloaded-classes b/preloaded-classes
index 064ca3a..1515734 100644
--- a/preloaded-classes
+++ b/preloaded-classes
@@ -663,8 +663,8 @@
 android.net.wifi.WifiManager
 android.net.wifi.WifiManager$ServiceHandler
 android.net.wifi.WifiNative
-android.nfc.INdefPushCallback
-android.nfc.INdefPushCallback$Stub
+android.nfc.IAppCallback
+android.nfc.IAppCallback$Stub
 android.nfc.INfcAdapter
 android.nfc.INfcAdapter$Stub
 android.nfc.INfcAdapter$Stub$Proxy