Add `using binder::Status` to BackendUnifiedServiceManager.cpp

It's used so often in the file and `Status` is easier to read.

Test: m
Bug: none
Change-Id: I0b996c5d53332d47deb2bb6c6142d828f9971d3b
diff --git a/libs/binder/BackendUnifiedServiceManager.cpp b/libs/binder/BackendUnifiedServiceManager.cpp
index 52b485a..04de39a 100644
--- a/libs/binder/BackendUnifiedServiceManager.cpp
+++ b/libs/binder/BackendUnifiedServiceManager.cpp
@@ -31,7 +31,8 @@
 #endif
 
 using AidlServiceManager = android::os::IServiceManager;
-using IAccessor = android::os::IAccessor;
+using android::os::IAccessor;
+using binder::Status;
 
 static const char* kStaticCachableList[] = {
         // go/keep-sorted start
@@ -109,10 +110,10 @@
     return false;
 }
 
-binder::Status BackendUnifiedServiceManager::updateCache(const std::string& serviceName,
-                                                         const os::Service& service) {
+Status BackendUnifiedServiceManager::updateCache(const std::string& serviceName,
+                                                 const os::Service& service) {
     if (!kUseCache) {
-        return binder::Status::ok();
+        return Status::ok();
     }
     if (service.getTag() == os::Service::Tag::binder) {
         sp<IBinder> binder = service.get<os::Service::Tag::binder>();
@@ -121,7 +122,7 @@
             return mCacheForGetService->setItem(serviceName, binder);
         }
     }
-    return binder::Status::ok();
+    return Status::ok();
 }
 
 bool BackendUnifiedServiceManager::returnIfCached(const std::string& serviceName,
@@ -147,21 +148,20 @@
     return mTheRealServiceManager;
 }
 
-binder::Status BackendUnifiedServiceManager::getService(const ::std::string& name,
-                                                        sp<IBinder>* _aidl_return) {
+Status BackendUnifiedServiceManager::getService(const ::std::string& name,
+                                                sp<IBinder>* _aidl_return) {
     os::Service service;
-    binder::Status status = getService2(name, &service);
+    Status status = getService2(name, &service);
     *_aidl_return = service.get<os::Service::Tag::binder>();
     return status;
 }
 
-binder::Status BackendUnifiedServiceManager::getService2(const ::std::string& name,
-                                                         os::Service* _out) {
+Status BackendUnifiedServiceManager::getService2(const ::std::string& name, os::Service* _out) {
     if (returnIfCached(name, _out)) {
-        return binder::Status::ok();
+        return Status::ok();
     }
     os::Service service;
-    binder::Status status = mTheRealServiceManager->getService2(name, &service);
+    Status status = mTheRealServiceManager->getService2(name, &service);
 
     if (status.isOk()) {
         status = toBinderService(name, service, _out);
@@ -172,14 +172,13 @@
     return status;
 }
 
-binder::Status BackendUnifiedServiceManager::checkService(const ::std::string& name,
-                                                          os::Service* _out) {
+Status BackendUnifiedServiceManager::checkService(const ::std::string& name, os::Service* _out) {
     os::Service service;
     if (returnIfCached(name, _out)) {
-        return binder::Status::ok();
+        return Status::ok();
     }
 
-    binder::Status status = mTheRealServiceManager->checkService(name, &service);
+    Status status = mTheRealServiceManager->checkService(name, &service);
     if (status.isOk()) {
         status = toBinderService(name, service, _out);
         if (status.isOk()) {
@@ -189,16 +188,15 @@
     return status;
 }
 
-binder::Status BackendUnifiedServiceManager::toBinderService(const ::std::string& name,
-                                                             const os::Service& in,
-                                                             os::Service* _out) {
+Status BackendUnifiedServiceManager::toBinderService(const ::std::string& name,
+                                                     const os::Service& in, os::Service* _out) {
     switch (in.getTag()) {
         case os::Service::Tag::binder: {
             if (in.get<os::Service::Tag::binder>() == nullptr) {
                 // failed to find a service. Check to see if we have any local
                 // injected Accessors for this service.
                 os::Service accessor;
-                binder::Status status = getInjectedAccessor(name, &accessor);
+                Status status = getInjectedAccessor(name, &accessor);
                 if (!status.isOk()) {
                     *_out = os::Service::make<os::Service::Tag::binder>(nullptr);
                     return status;
@@ -214,7 +212,7 @@
             }
 
             *_out = in;
-            return binder::Status::ok();
+            return Status::ok();
         }
         case os::Service::Tag::accessor: {
             sp<IBinder> accessorBinder = in.get<os::Service::Tag::accessor>();
@@ -222,11 +220,11 @@
             if (accessor == nullptr) {
                 ALOGE("Service#accessor doesn't have accessor. VM is maybe starting...");
                 *_out = os::Service::make<os::Service::Tag::binder>(nullptr);
-                return binder::Status::ok();
+                return Status::ok();
             }
             auto request = [=] {
                 os::ParcelFileDescriptor fd;
-                binder::Status ret = accessor->addConnection(&fd);
+                Status ret = accessor->addConnection(&fd);
                 if (ret.isOk()) {
                     return base::unique_fd(fd.release());
                 } else {
@@ -239,11 +237,11 @@
             if (status != OK) {
                 ALOGE("Failed to set up preconnected binder RPC client: %s",
                       statusToString(status).c_str());
-                return binder::Status::fromStatusT(status);
+                return Status::fromStatusT(status);
             }
             session->setSessionSpecificRoot(accessorBinder);
             *_out = os::Service::make<os::Service::Tag::binder>(session->getRootObject());
-            return binder::Status::ok();
+            return Status::ok();
         }
         default: {
             LOG_ALWAYS_FATAL("Unknown service type: %d", in.getTag());
@@ -251,53 +249,52 @@
     }
 }
 
-binder::Status BackendUnifiedServiceManager::addService(const ::std::string& name,
-                                                        const sp<IBinder>& service,
-                                                        bool allowIsolated, int32_t dumpPriority) {
+Status BackendUnifiedServiceManager::addService(const ::std::string& name,
+                                                const sp<IBinder>& service, bool allowIsolated,
+                                                int32_t dumpPriority) {
     return mTheRealServiceManager->addService(name, service, allowIsolated, dumpPriority);
 }
-binder::Status BackendUnifiedServiceManager::listServices(
-        int32_t dumpPriority, ::std::vector<::std::string>* _aidl_return) {
+Status BackendUnifiedServiceManager::listServices(int32_t dumpPriority,
+                                                  ::std::vector<::std::string>* _aidl_return) {
     return mTheRealServiceManager->listServices(dumpPriority, _aidl_return);
 }
-binder::Status BackendUnifiedServiceManager::registerForNotifications(
+Status BackendUnifiedServiceManager::registerForNotifications(
         const ::std::string& name, const sp<os::IServiceCallback>& callback) {
     return mTheRealServiceManager->registerForNotifications(name, callback);
 }
-binder::Status BackendUnifiedServiceManager::unregisterForNotifications(
+Status BackendUnifiedServiceManager::unregisterForNotifications(
         const ::std::string& name, const sp<os::IServiceCallback>& callback) {
     return mTheRealServiceManager->unregisterForNotifications(name, callback);
 }
-binder::Status BackendUnifiedServiceManager::isDeclared(const ::std::string& name,
-                                                        bool* _aidl_return) {
+Status BackendUnifiedServiceManager::isDeclared(const ::std::string& name, bool* _aidl_return) {
     return mTheRealServiceManager->isDeclared(name, _aidl_return);
 }
-binder::Status BackendUnifiedServiceManager::getDeclaredInstances(
+Status BackendUnifiedServiceManager::getDeclaredInstances(
         const ::std::string& iface, ::std::vector<::std::string>* _aidl_return) {
     return mTheRealServiceManager->getDeclaredInstances(iface, _aidl_return);
 }
-binder::Status BackendUnifiedServiceManager::updatableViaApex(
+Status BackendUnifiedServiceManager::updatableViaApex(
         const ::std::string& name, ::std::optional<::std::string>* _aidl_return) {
     return mTheRealServiceManager->updatableViaApex(name, _aidl_return);
 }
-binder::Status BackendUnifiedServiceManager::getUpdatableNames(
-        const ::std::string& apexName, ::std::vector<::std::string>* _aidl_return) {
+Status BackendUnifiedServiceManager::getUpdatableNames(const ::std::string& apexName,
+                                                       ::std::vector<::std::string>* _aidl_return) {
     return mTheRealServiceManager->getUpdatableNames(apexName, _aidl_return);
 }
-binder::Status BackendUnifiedServiceManager::getConnectionInfo(
+Status BackendUnifiedServiceManager::getConnectionInfo(
         const ::std::string& name, ::std::optional<os::ConnectionInfo>* _aidl_return) {
     return mTheRealServiceManager->getConnectionInfo(name, _aidl_return);
 }
-binder::Status BackendUnifiedServiceManager::registerClientCallback(
+Status BackendUnifiedServiceManager::registerClientCallback(
         const ::std::string& name, const sp<IBinder>& service,
         const sp<os::IClientCallback>& callback) {
     return mTheRealServiceManager->registerClientCallback(name, service, callback);
 }
-binder::Status BackendUnifiedServiceManager::tryUnregisterService(const ::std::string& name,
-                                                                  const sp<IBinder>& service) {
+Status BackendUnifiedServiceManager::tryUnregisterService(const ::std::string& name,
+                                                          const sp<IBinder>& service) {
     return mTheRealServiceManager->tryUnregisterService(name, service);
 }
-binder::Status BackendUnifiedServiceManager::getServiceDebugInfo(
+Status BackendUnifiedServiceManager::getServiceDebugInfo(
         ::std::vector<os::ServiceDebugInfo>* _aidl_return) {
     return mTheRealServiceManager->getServiceDebugInfo(_aidl_return);
 }