Fix getToken(int k) javadoc to clarify that k is the Tok, not Token, index.

Now it's consistent with the comment on kToToken

PiperOrigin-RevId: 365156881

Author: csamak

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

@@ -121,7 +121,7 @@ public interface Token {
   /**
    * Get the Token by index.
    *
-   * @param k the token index
+   * @param k the Tok index
    */
   public abstract Token getToken(int k);
 

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

@@ -604,7 +604,7 @@ public int getkN() {
   /**
    * Get the Token by index.
    *
-   * @param k the token index
+   * @param k the Tok index
    */
   @Override
   public Token getToken(int k) {