CLDR-18128 Apply source formatter changes

Author: echeran

tools/cldr-code/src/main/java/org/unicode/cldr/tool/GenerateDateTimeTestData.java

@@ -820,8 +820,8 @@ static class TestCaseInput {
     static class TestCase {
         TestCaseInput testCaseInput;
         String classicalSkeleton; // Should only be non-null when semantic skeleton non-null.
-                                  // This exists to allow existing ICU & other i18n impls to format
-                                  // until they add support for formatting using semantic skeletons.
+        // This exists to allow existing ICU & other i18n impls to format
+        // until they add support for formatting using semantic skeletons.
         String expected;
     }