Integration test improvements (#10290)

This brings in the hang detection from our PR integration tests, to dart
lab, and makes the test logs etc. always upload, which at least gets us
something to start investigating from.

Test run is here:
https://devdiv.visualstudio.com/DevDiv/_build/results?buildId=9455188&view=results

Author: davidwengier

eng/pipelines/test-integration-job.yml

@@ -73,6 +73,15 @@ steps:
         artifactType: Container
         parallel: true
 
+  - powershell: ./eng/scripts/InstallProcDump.ps1
+    displayName: Install ProcDump
+
+  - powershell: ./eng/scripts/StartDumpCollectionForHangingBuilds.ps1
+      $(ProcDumpPath)procdump.exe artifacts/log/${{ parameters.configuration }}
+      (Get-Date).AddMinutes(240)
+      devenv, xunit.console, xunit.console.x86
+    displayName: Start background dump collection
+
   - script: eng\cibuild.cmd
       -configuration ${{ parameters.configuration }}
       -msbuildEngine vs
@@ -83,15 +92,20 @@ steps:
     displayName: Run Integration Tests
     condition: succeeded()
 
+  - powershell: ./eng/scripts/FinishDumpCollectionForHangingBuilds.ps1 artifacts/log/${{ parameters.configuration }}
+    displayName: Finish background dump collection
+    continueOnError: true
+    condition: always()
+
   - task: PublishBuildArtifacts@1
     displayName: Upload Run tests BinLog
     condition: always()
     continueOnError: true
     inputs:
-        pathtoPublish: artifacts/log/${{ parameters.configuration }}/Build.binlog
-        artifactName: $(Agent.Os)_$(Agent.JobName) RunTestsBinLog
-        artifactType: Container
-        parallel: true
+      pathtoPublish: artifacts/log/${{ parameters.configuration }}/Build.binlog
+      artifactName: $(Agent.Os)_$(Agent.JobName) RunTestsBinLog
+      artifactType: Container
+      parallel: true
 
   - task: PublishTestResults@2
     displayName: Publish xUnit Test Results
@@ -110,12 +124,13 @@ steps:
       ArtifactName: '$(System.JobAttempt)-TestResults $(Build.BuildNumber)'
       publishLocation: Container
     continueOnError: true
-    condition: succeededOrFailed()
+    condition: always()
+
   - task: PublishBuildArtifacts@1
     displayName: Publish Logs
     inputs:
       PathtoPublish: '$(Build.SourcesDirectory)\artifacts\log\${{ parameters.configuration }}'
       ArtifactName: '$(System.JobAttempt)-Logs ${{ parameters.configuration }} $(Build.BuildNumber)'
       publishLocation: Container
     continueOnError: true
-    condition: succeededOrFailed()
+    condition: always()