Update ci.yml for Azure Pipelines (#504)

* Update ci.yml for Azure Pipelines

macOS ci pipeline fixing.

* Update ci.yml for Azure Pipelines

* Update ci.yml for Azure Pipelines

* drop python 3.8 support in macOS due ADO

* fix macos wheel pipeline

* revert the change to add 3.9 back.

.pipelines/android_packaging.yml

@@ -10,6 +10,7 @@ jobs:
     steps:
       - task: UsePythonVersion@0
         inputs:
+          disableDownloadFromRegistry: true
           versionSpec: "3.9"
           addToPath: true
           architecture: "x64"

.pipelines/ci.yml

@@ -177,13 +177,10 @@ jobs:
     steps:
       - template: templates/use-xcode-version.yml
 
-      # needed for onnxruntime
-      - script: brew install libomp
-        displayName: 'Install omp'
-
       - task: UsePythonVersion@0
         inputs:
           versionSpec: '$(python.version)'
+          disableDownloadFromRegistry: true
           addToPath: true
 
       - script: |
@@ -428,6 +425,7 @@ jobs:
       - task: UsePythonVersion@0
         inputs:
           versionSpec: '3.9'
+          disableDownloadFromRegistry: true
           addToPath: true
           architecture: 'x64'
         displayName: "Use Python 3.9"

.pipelines/ios_packaging.yml

@@ -20,6 +20,7 @@ jobs:
 
   - task: UsePythonVersion@0
     inputs:
+      disableDownloadFromRegistry: true
       versionSpec: "3.9"
       addToPath: true
       architecture: "x64"