ci: Allow nicer styling of @if/@else

Author: mmalerba

.stylelintrc.json

@@ -109,7 +109,12 @@
       {"message": "The `initial` value is not supported in IE."}
     ],
 
-    "block-closing-brace-newline-after": "always",
+    "block-closing-brace-newline-after": [
+      "always",
+      {
+        "ignoreAtRules": ["if", "else"]
+      }
+    ],
     "block-closing-brace-newline-before": "always-multi-line",
     "block-opening-brace-newline-after": "always-multi-line",
     "block-opening-brace-space-before": "always-multi-line",

src/cdk/schematics/ng-update/migrations/css-tokens.ts

@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
 import * as ts from 'typescript';
 import {ResolvedResource} from '../../update-tool/component-resource-collector';
 import {WorkspacePath} from '../../update-tool/file-system';