Use defaultPassthroughServiceImplementation for nfc.

Bug: 32282345
Test: nfc
Change-Id: I4f45a3d4b91ccee2fcd0ca8fe599e090129a02e3
diff --git a/nfc/1.0/default/service.cpp b/nfc/1.0/default/service.cpp
index e70388d..32f9c28 100644
--- a/nfc/1.0/default/service.cpp
+++ b/nfc/1.0/default/service.cpp
@@ -1,44 +1,13 @@
 #define LOG_TAG "android.hardware.nfc@1.0-service"
-#include <utils/Log.h>
-
-#include <iostream>
-#include <unistd.h>
 
 #include <android/hardware/nfc/1.0/INfc.h>
 
-#include <hidl/IServiceManager.h>
-#include <hwbinder/IPCThreadState.h>
-#include <hwbinder/ProcessState.h>
-#include <utils/Errors.h>
-#include <utils/StrongPointer.h>
-
-using android::sp;
-
-// libhwbinder:
-using android::hardware::IPCThreadState;
-using android::hardware::ProcessState;
+#include <hidl/LegacySupport.h>
 
 // Generated HIDL files
 using android::hardware::nfc::V1_0::INfc;
+using android::hardware::defaultPassthroughServiceImplementation;
 
 int main() {
-    ALOGI("Service is starting.");
-    const char instance[] = "nfc_nci";
-    ALOGI("Retrieving default implementation of instance %s.",
-          instance);
-    android::sp<INfc> service = INfc::getService(instance, true /* getStub */);
-    if (service.get() == nullptr) {
-        ALOGE("INfc::getService returned NULL, exiting");
-        return -1;
-    }
-    ALOGI("Default implementation using %s is %s",
-          instance, (service->isRemote() ? "REMOTE" : "LOCAL"));
-    LOG_FATAL_IF(service->isRemote(), "Implementation is REMOTE!");
-    ALOGI("Registering instance %s.", instance);
-    service->registerAsService(instance);
-    ALOGI("Ready.");
-
-    ProcessState::self()->setThreadPoolMaxThreadCount(0);
-    ProcessState::self()->startThreadPool();
-    IPCThreadState::self()->joinThreadPool();
+    return defaultPassthroughServiceImplementation<INfc>("nfc_nci");
 }