Improving CI build times with new build agent (#8516)

.pipelines/restore-dependencies.yml

@@ -0,0 +1,15 @@
+parameters:
+  sdkVersion: 17134
+
+steps:
+  - task: powershell@2
+    inputs:
+      targetType: filePath
+      filePath: .\.pipelines\restore-dependencies.ps1
+    displayName: 'Install VS dependencies'
+  - task: powershell@2
+    inputs:
+      targetType: filePath
+      filePath: .\.pipelines\restore-windowsSdk17134.ps1
+      arguments: ${{ parameters.sdkVersion }}
+    displayName: 'Install Windows SDK 17134'