Update ha-singleton-service quickstart to use non-deprecated API

[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/QueryingService.java:[21,29] org.jboss.msc.service.Service in org.jboss.msc.service has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/SingletonService.java:[21,29] org.jboss.msc.service.Service in org.jboss.msc.service has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/SingletonService.java:[25,27] org.jboss.msc.value.InjectedValue in org.jboss.msc.value has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/ServiceActivator.java:[20,29] org.jboss.msc.service.Service in org.jboss.msc.service has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/ServiceActivator.java:[25,27] org.jboss.msc.value.InjectedValue in org.jboss.msc.value has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/ServiceActivator.java:[29,40] org.wildfly.clustering.singleton.SingletonPolicy in org.wildfly.clustering.singleton has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/QueryingService.java:[40,34] org.jboss.msc.service.Service in org.jboss.msc.service has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/QueryingService.java:[56,36] awaitValue(long,java.util.concurrent.TimeUnit) in org.jboss.msc.service.ServiceController has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/SingletonService.java:[36,35] org.jboss.msc.service.Service in org.jboss.msc.service has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/SingletonService.java:[40,13] org.jboss.msc.value.InjectedValue in org.jboss.msc.value has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/SingletonService.java:[42,22] org.jboss.msc.value.InjectedValue in org.jboss.msc.value has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/SingletonService.java:[48,87] getLocalNode() in org.wildfly.clustering.group.Group has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/SingletonService.java:[53,87] getLocalNode() in org.wildfly.clustering.group.Group has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/SingletonService.java:[58,37] getLocalNode() in org.wildfly.clustering.group.Group has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/ServiceActivator.java:[50,13] org.wildfly.clustering.singleton.SingletonPolicy in org.wildfly.clustering.singleton has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/ServiceActivator.java:[50,39] org.wildfly.clustering.singleton.SingletonPolicy in org.wildfly.clustering.singleton has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/ServiceActivator.java:[52,86] SINGLETON_POLICY in org.wildfly.clustering.singleton.SingletonDefaultRequirement has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/ServiceActivator.java:[53,21] awaitValue() in org.jboss.msc.service.ServiceController has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/ServiceActivator.java:[55,13] org.jboss.msc.value.InjectedValue in org.jboss.msc.value has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/ServiceActivator.java:[55,46] org.jboss.msc.value.InjectedValue in org.jboss.msc.value has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/ServiceActivator.java:[57,13] org.jboss.msc.service.Service in org.jboss.msc.service has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/ServiceActivator.java:[59,19] <T>createSingletonServiceBuilder(org.jboss.msc.service.ServiceName,org.jboss.msc.service.Service<T>) in org.wildfly.clustering.singleton.SingletonPolicy has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/ServiceActivator.java:[61,21] <I>addDependency(org.jboss.msc.service.ServiceName,java.lang.Class<I>,org.jboss.msc.inject.Injector<I>) in org.jboss.msc.service.ServiceBuilder has been deprecated
[WARNING] /Users/rhusar/git/wildfly-quickstarts/ha-singleton-service/src/main/java/org/jboss/as/quickstarts/ha/singleton/service/ServiceActivator.java:[65,21] <T>addService(org.jboss.msc.service.ServiceName,org.jboss.msc.service.Service<T>) in org.jboss.msc.service.ServiceTarget has been deprecated