[ci] Allow partially succeeded builds to download. (sonic-net#2709)

Author: liushilongbuaa

.azure-pipelines/build-docker-sonic-vs-template.yml

@@ -45,6 +45,7 @@ jobs:
       runVersion: 'latestFromBranch'
       runBranch: 'refs/heads/$(BUILD_BRANCH)'
       path: $(Build.ArtifactStagingDirectory)/download
+      allowPartiallySucceededBuilds: true
     displayName: "Download sonic swss common deb packages"
   - task: DownloadPipelineArtifact@2
     inputs:
@@ -55,6 +56,7 @@ jobs:
       runVersion: 'latestFromBranch'
       runBranch: 'refs/heads/$(BUILD_BRANCH)'
       path: $(Build.ArtifactStagingDirectory)/download
+      allowPartiallySucceededBuilds: true
     displayName: "Download sonic sairedis deb packages"
   - task: DownloadPipelineArtifact@2
     inputs:

.azure-pipelines/build-template.yml

@@ -86,6 +86,7 @@ jobs:
       runVersion: 'latestFromBranch'
       runBranch: 'refs/heads/$(BUILD_BRANCH)'
       path: $(Build.ArtifactStagingDirectory)/download
+      allowPartiallySucceededBuilds: true
       patterns: |
         libswsscommon_1.0.0_${{ parameters.arch }}.deb
         libswsscommon-dev_1.0.0_${{ parameters.arch }}.deb
@@ -99,6 +100,7 @@ jobs:
       runVersion: 'latestFromBranch'
       runBranch: 'refs/heads/$(BUILD_BRANCH)'
       path: $(Build.ArtifactStagingDirectory)/download
+      allowPartiallySucceededBuilds: true
       patterns: |
         libsaivs_*.deb
         libsaivs-dev_*.deb