Fix typo in comment for Input.Tok#isSlashStarComment.

It appears the comment may have been copied from Input.Tok#isSlashSlashComment.

PiperOrigin-RevId: 381866447

Author: java-team-github-bot

core/src/main/java/com/google/googlejavaformat/Input.java

@@ -63,7 +63,7 @@ public interface Tok {
     /** Is the {@code Tok} a "//" comment? */
     boolean isSlashSlashComment();
 
-    /** Is the {@code Tok} a "//" comment? */
+    /** Is the {@code Tok} a "/*" comment? */
     boolean isSlashStarComment();
 
     /** Is the {@code Tok} a javadoc comment? */