Auto merge of #16495 - coalman:tidy-brace-alignment, r=emilio

Make tidy check that opening and closing braces that begin a line do …

…so with proper alignment.

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- [x] `./mach test-tidy` does not report any errors
- [X] These changes fix #16486 (github issue number if applicable).

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- [ ] These changes do not require tests because _____

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tests/unit/style/media_queries.rs

@@ -283,12 +283,12 @@ fn test_mq_expressions() {
 
 #[test]
 fn test_to_css() {
-  test_media_rule("@media print and (width: 43px) { }", |list, _| {
-      let q = &list.media_queries[0];
-      let mut dest = String::new();
-      assert_eq!(Ok(()), q.to_css(&mut dest));
-      assert_eq!(dest, "print and (width: 43px)");
-  });
+    test_media_rule("@media print and (width: 43px) { }", |list, _| {
+        let q = &list.media_queries[0];
+        let mut dest = String::new();
+        assert_eq!(Ok(()), q.to_css(&mut dest));
+        assert_eq!(dest, "print and (width: 43px)");
+    });
 }
 
 #[test]