boot: use defaultPassthroughServiceImplementation

Bug: 32282345
Test: make
Change-Id: Ifb479c665aa4e37881c86152d43f4f1f88983133
diff --git a/boot/1.0/default/service.cpp b/boot/1.0/default/service.cpp
index b059f9a..a594db6 100644
--- a/boot/1.0/default/service.cpp
+++ b/boot/1.0/default/service.cpp
@@ -1,44 +1,11 @@
 #define LOG_TAG "android.hardware.boot@1.0-service"
-#include <utils/Log.h>
-
-#include <iostream>
-#include <unistd.h>
 
 #include <android/hardware/boot/1.0/IBootControl.h>
-
-#include <hidl/IServiceManager.h>
-#include <hwbinder/IPCThreadState.h>
-#include <hwbinder/ProcessState.h>
-#include <utils/Errors.h>
-#include <utils/StrongPointer.h>
-
-using android::sp;
-
-using android::hardware::IPCThreadState;
-using android::hardware::ProcessState;
+#include <hidl/LegacySupport.h>
 
 using ::android::hardware::boot::V1_0::IBootControl;
+using android::hardware::defaultPassthroughServiceImplementation;
 
 int main (int /* argc */, char * /* argv */ []) {
-    ALOGI("Service is starting.");
-    const char instance[] = "bootctrl";
-    ALOGI("Retrieving default implementation of instance %s.",
-          instance);
-
-    sp<IBootControl> service = IBootControl::getService(instance, true /* getStub */);
-
-    if (service.get() == nullptr) {
-        ALOGE("IBootControl::getService returned NULL, exiting");
-        return -1;
-    }
-
-    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<IBootControl>("bootctrl");
 }