nfc: update default implementation to match style.

Test: make android.hardware.nfc@1.0-impl
Change-Id: Ib76d663fcf28816bd2ba57f5fbd5ae0033b620f5
diff --git a/nfc/1.0/default/Nfc.h b/nfc/1.0/default/Nfc.h
index 98cd57e..e596495 100644
--- a/nfc/1.0/default/Nfc.h
+++ b/nfc/1.0/default/Nfc.h
@@ -13,7 +13,6 @@
 
 using ::android::hardware::nfc::V1_0::INfc;
 using ::android::hardware::nfc::V1_0::INfcClientCallback;
-using ::android::hardware::nfc::V1_0::nfc_data_t;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
 using ::android::hardware::hidl_vec;
@@ -23,23 +22,23 @@
 struct Nfc : public INfc {
   Nfc(nfc_nci_device_t* device);
   ::android::hardware::Return<int32_t> open(const sp<INfcClientCallback>& clientCallback)  override;
-  ::android::hardware::Return<int32_t> write(const nfc_data_t& data)  override;
-  ::android::hardware::Return<int32_t> core_initialized(const hidl_vec<uint8_t>& data)  override;
-  ::android::hardware::Return<int32_t> pre_discover()  override;
+  ::android::hardware::Return<int32_t> write(const hidl_vec<uint8_t>& data)  override;
+  ::android::hardware::Return<int32_t> coreInitialized(const hidl_vec<uint8_t>& data)  override;
+  ::android::hardware::Return<int32_t> prediscover()  override;
   ::android::hardware::Return<int32_t> close()  override;
-  ::android::hardware::Return<int32_t> control_granted()  override;
-  ::android::hardware::Return<int32_t> power_cycle()  override;
+  ::android::hardware::Return<int32_t> controlGranted()  override;
+  ::android::hardware::Return<int32_t> powerCycle()  override;
 
-  static void event_callback(uint8_t event, uint8_t status) {
+  static void eventCallback(uint8_t event, uint8_t status) {
       if (mCallback != nullptr) {
           mCallback->sendEvent(
-                  (::android::hardware::nfc::V1_0::nfc_event_t) event,
-                  (::android::hardware::nfc::V1_0::nfc_status_t) status);
+                  (::android::hardware::nfc::V1_0::NfcEvent) event,
+                  (::android::hardware::nfc::V1_0::NfcStatus) status);
       }
   }
-  static void data_callback(uint16_t data_len, uint8_t* p_data) {
-      nfc_data_t data;
-      data.data.setToExternal(p_data, data_len);
+  static void dataCallback(uint16_t data_len, uint8_t* p_data) {
+      hidl_vec<uint8_t> data;
+      data.setToExternal(p_data, data_len);
       if (mCallback != nullptr) {
           mCallback->sendData(data);
       }