Composite Code Cleanup (#1232)

* composite polish

* Cleanup Condition Handling

* Refactor ConditionTraceWriter

* pr feedback

* cleanup

src/Runner.Worker/ConditionTraceWriter.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Text;
+using GitHub.DistributedTask.Pipelines;
+using GitHub.Runner.Common;
+using GitHub.Runner.Sdk;
+using ObjectTemplating = GitHub.DistributedTask.ObjectTemplating;
+
+namespace GitHub.Runner.Worker
+{
+    public sealed class ConditionTraceWriter : ObjectTemplating::ITraceWriter
+    {
+        private readonly IExecutionContext _executionContext;
+        private readonly Tracing _trace;
+        private readonly StringBuilder _traceBuilder = new StringBuilder();
+
+        public string Trace => _traceBuilder.ToString();
+
+        public ConditionTraceWriter(Tracing trace, IExecutionContext executionContext)
+        {
+            ArgUtil.NotNull(trace, nameof(trace));
+            _trace = trace;
+            _executionContext = executionContext;
+        }
+
+        public void Error(string format, params Object[] args)
+        {
+            var message = StringUtil.Format(format, args);
+            _trace.Error(message);
+            _executionContext?.Debug(message);
+        }
+
+        public void Info(string format, params Object[] args)
+        {
+            var message = StringUtil.Format(format, args);
+            _trace.Info(message);
+            _executionContext?.Debug(message);
+            _traceBuilder.AppendLine(message);
+        }
+
+        public void Verbose(string format, params Object[] args)
+        {
+            var message = StringUtil.Format(format, args);
+            _trace.Verbose(message);
+            _executionContext?.Debug(message);
+        }
+    }
+}