Revert "Revert "nfc: reflect style guide.""

This reverts commit 69bb15e06eea6a0e437d388273c4810682393162.

Change-Id: Icd6ac819606c83e1518c4b6252f6416f55e618fd
diff --git a/nfc/1.0/INfcClientCallback.hal b/nfc/1.0/INfcClientCallback.hal
index f10062e..a56cc09 100644
--- a/nfc/1.0/INfcClientCallback.hal
+++ b/nfc/1.0/INfcClientCallback.hal
@@ -21,11 +21,11 @@
      * The callback passed in from the NFC stack that the HAL
      * can use to pass events back to the stack.
      */
-    sendEvent(nfc_event_t event, nfc_status_t event_status);
+    sendEvent(NfcEvent event, NfcStatus status);
 
     /*
      * The callback passed in from the NFC stack that the HAL
      * can use to pass incomming data to the stack.
      */
-    sendData(nfc_data_t data);
+    sendData(NfcData data);
 };