Fix warnings (#38)

* Fixing compilation warnings and ensure warnings are treated as errors in test projects.

* Updating changelog

TestProjects/PerceptionURP/Assets/ExampleScripts/CustomAnnotationAndMetricReporter.cs

 [RequireComponent(typeof(PerceptionCamera))]
 public class CustomAnnotationAndMetricReporter : MonoBehaviour
 {
-    public GameObject light;
+    public GameObject targetLight;
     public GameObject target;
 
     MetricDefinition lightMetricDefinition;
     public void Update()
     {
         //Report the light's position by manually creating the json array string.
-        var lightPos = light.transform.position;
+        var lightPos = targetLight.transform.position;
         DatasetCapture.ReportMetric(lightMetricDefinition,
             $@"[{{ ""x"": {lightPos.x}, ""y"": {lightPos.y}, ""z"": {lightPos.z} }}]");
         //compute the location of the object in the camera's local space

com.unity.perception/CHANGELOG.md

 ### Removed
 
 ### Fixed
+Fixed compilation warnings with latest com.unity.simulation.core package.
 
 ### Security
 

com.unity.perception/Documentation~/DatasetCapture.md

 [RequireComponent(typeof(PerceptionCamera))]
 public class CustomAnnotationAndMetricReporter : MonoBehaviour
 {
-    public GameObject light;
+    public GameObject targetLight;
     public GameObject target;
 
     MetricDefinition lightMetricDefinition;
     public void Update()
     {
         //Report the light's position by manually creating the json array string.
-        var lightPos = light.transform.position;
+        var lightPos = targetLight.transform.position;
         DatasetCapture.ReportMetric(lightMetricDefinition,
             $@"[{{ ""x"": {lightPos.x}, ""y"": {lightPos.y}, ""z"": {lightPos.z} }}]");
         //compute the location of the object in the camera's local space

com.unity.perception/Runtime/GroundTruth/Labelers/SemanticSegmentationLabeler.cs

                 height = targetTexture.height,
                 path = localPath
             };
-            asyncRequest.Start((r) =>
+            asyncRequest.Enqueue((r) =>
             {
                 Profiler.BeginSample("Encode");
                 var pngBytes = ImageConversion.EncodeArrayToPNG(r.data.data.ToArray(), GraphicsFormat.R8G8B8A8_UNorm, (uint)r.data.width, (uint)r.data.height);
                 r.data.data.Dispose();
                 return AsyncRequest.Result.Completed;
             });
+            asyncRequest.Execute();
         }
 
         /// <inheritdoc/>

com.unity.perception/Runtime/GroundTruth/PerceptionCamera.cs

 
         bool m_CapturedLastFrame;
         Ego m_EgoMarker;
+
+#pragma warning disable 414
+#pragma warning restore 414
 
         /// <summary>
         /// The <see cref="SensorHandle"/> associated with this camera. Use this to report additional annotations and metrics at runtime.
                 using (s_WriteFrame.Auto())
                 {
                     var dataColorBuffer = (byte[])r.data.colorBuffer;
-                    
+
                     byte[] encodedData;
                     using (s_EncodeAndSave.Auto())
                     {

com.unity.perception/Runtime/GroundTruth/SimulationState_Json.cs

                     PendingCaptures = pendingCapturesToWrite,
                     SimulationState = this
                 };
-                req.Start(r =>
+                req.Enqueue(r =>
+                req.Execute(AsyncRequest.ExecutionContext.JobSystem);
             }
 
             m_SerializeCapturesSampler.End();
                     MetricFileIndex = m_MetricsFileIndex,
                     PendingMetrics = pendingMetricsToWrite
                 };
-                req.Start(r =>
+                req.Enqueue(r =>
+                req.Execute();
             }
 
             m_MetricsFileIndex++;

com.unity.perception/Tests/Runtime/GroundTruthTests/SegmentationGroundTruthTests.cs

 using NUnit.Framework;
 using Unity.Collections;
 using UnityEngine;
-using UnityEngine.Experimental.Rendering;
-using UnityEngine.Rendering.HighDefinition;
-using UnityEngine.Experimental.Rendering;
-using UnityEngine.UIElements;
 using Object = UnityEngine.Object;
 
 namespace GroundTruthTests
         [UnityTest]
         public IEnumerator SemanticSegmentationPass_WithTextureOverride_RendersToOverride()
         {
-            int timesSegmentationImageReceived = 0;
             var expectedPixelValue = new Color32(0, 0, 255, 255);
             var targetTextureOverride = new RenderTexture(2, 2, 1, RenderTextureFormat.R8);
 

TestProjects/PerceptionHDRP/Assets/csc.rsp

+-warnaserror+

TestProjects/PerceptionHDRP/Assets/csc.rsp.meta

+fileFormatVersion: 2
+guid: b590f0b421136b44098ad7e92fc45f3e
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

TestProjects/PerceptionURP/Assets/csc.rsp

+-warnaserror+

TestProjects/PerceptionURP/Assets/csc.rsp.meta

+fileFormatVersion: 2
+guid: 1800f44b598c0b647bf3fad2f5c9b957
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: