Zane/windows 2019 pipeline fix 4 (#1456)

* propagate docker build failure to azure cli

* back to windows 1es hosted pool

* throw docker build failure

* use powershell

* remove azure context setup

* delete folder if exists

* set up acr account for 2019 build

* clean up and add AcceptableOutdatedSignatureInHours

* switch pool

Author: zanejohnson-azure

.pipelines/azure_pipeline_mergedbranches.yaml

@@ -360,20 +360,31 @@ extends:
             exit /B %ERRORLEVEL%
           displayName: 'build base'
         - task: AzureCLI@2
-          displayName: "Docker windows build for ltsc2019"
+          displayName: "Set up acr for windows ltsc2019 build"
           inputs:
             azureSubscription: ${{ variables.armServiceConnectionName }}
             scriptType: ps
             scriptLocation: inlineScript
             retryCountOnTaskFailure: 2
             inlineScript: |
-              mkdir -p $(Build.ArtifactStagingDirectory)/windows
-              cd kubernetes/windows
               az --version
               az account show
               az account set -s ${{ variables.subscription }}
               az acr login -n ${{ variables.containerRegistry }}
+        - task: PowerShell@2          
+          inputs:
+            targetType: 'inline'
+            script: |
+              # Check if directory exists and remove it before creating it to handle retry scenarios
+              if (Test-Path -Path "$(Build.ArtifactStagingDirectory)/windows") {
+                Remove-Item -Path "$(Build.ArtifactStagingDirectory)/windows" -Recurse -Force
+              }
+              New-Item -Path "$(Build.ArtifactStagingDirectory)/windows" -ItemType Directory -Force
+              cd kubernetes/windows
+              # Build the Docker image
               docker build --isolation=hyperv --tag ${{ variables.repoImageName }}:$(windowsImageTag)-$(windows2019BaseImageVersion)-unsigned --build-arg WINDOWS_VERSION=$(windows2019BaseImageVersion) --build-arg IMAGE_TAG=$(windowsTelemetryTag) --build-arg WINDOWS_AMA_URL=$(windowsAMAUrl) .
+          displayName: "Docker windows build for ltsc2019"
+          retryCountOnTaskFailure: 2
         - task: PowerShell@2
           displayName: Extract files to sign
           inputs: