Revert "remove UpdateMode policy (microsoft#150357)" (microsoft#152155)

This reverts commit 73dda0c.

Author: joaomoreno

build/azure-pipelines/win32/product-build-win32.yml

@@ -127,6 +127,13 @@ steps:
         exec { node build/azure-pipelines/mixin }
       displayName: Mix in quality
 
+  - powershell: |
+      . build/azure-pipelines/win32/exec.ps1
+      $ErrorActionPreference = "Stop"
+      exec { node build\lib\policies }
+    displayName: Generate Group Policy definitions
+    condition: and(succeeded(), ne(variables['VSCODE_PUBLISH'], 'false'))
+
   - powershell: |
       . build/azure-pipelines/win32/exec.ps1
       $ErrorActionPreference = "Stop"

build/gulpfile.vscode.js

@@ -331,6 +331,9 @@ function packageTask(platform, arch, sourceFolderName, destinationFolderName, op
 			result = es.merge(result, gulp.src('resources/win32/VisualElementsManifest.xml', { base: 'resources/win32' })
 				.pipe(rename(product.nameShort + '.VisualElementsManifest.xml')));
 
+			result = es.merge(result, gulp.src('.build/policies/win32/**', { base: '.build/policies/win32' })
+				.pipe(rename(f => f.dirname = `policies/${f.dirname}`)));
+
 		} else if (platform === 'linux') {
 			result = es.merge(result, gulp.src('resources/linux/bin/code.sh', { base: '.' })
 				.pipe(replace('@@PRODNAME@@', product.nameLong))

src/vs/platform/update/common/update.config.contribution.ts

@@ -27,7 +27,11 @@ configurationRegistry.registerConfiguration({
 				localize('manual', "Disable automatic background update checks. Updates will be available if you manually check for updates."),
 				localize('start', "Check for updates only on startup. Disable automatic background update checks."),
 				localize('default', "Enable automatic update checks. Code will check for updates automatically and periodically.")
-			]
+			],
+			policy: {
+				name: 'UpdateMode',
+				minimumVersion: '1.67',
+			}
 		},
 		'update.channel': {
 			type: 'string',