Add CreateLogger method so we still can get types using the legacy ctor

src/Umbraco.Core/StaticApplicationLogging.cs

@@ -1,3 +1,4 @@
+using System;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Abstractions;
 
@@ -18,5 +19,10 @@ namespace Umbraco.Cms.Core
         {
             return _loggerFactory?.CreateLogger<T>() ?? NullLoggerFactory.Instance.CreateLogger<T>();
         }
+
+        public static ILogger CreateLogger(Type type)
+        {
+            return _loggerFactory?.CreateLogger(type) ?? NullLoggerFactory.Instance.CreateLogger(type);
+        }
     }
 }

src/Umbraco.Infrastructure/HostedServices/RecurringHostedServiceBase.cs

@@ -45,8 +45,10 @@ namespace Umbraco.Cms.Infrastructure.HostedServices
         // Scheduled for removal in V11
         [Obsolete("Please use constructor that takes an ILogger instead")]
         protected RecurringHostedServiceBase(TimeSpan period, TimeSpan delay)
-        : this(StaticApplicationLogging.CreateLogger<RecurringHostedServiceBase>(), period, delay)
         {
+            _period = period;
+            _delay = delay;
+            _logger = StaticApplicationLogging.CreateLogger(GetType());
         }
 
         /// <inheritdoc/>