8144349: @since tag missed

Reviewed-by: rriggs, scolebourne

jdk/src/java.base/share/classes/java/time/Clock.java

@@ -223,6 +223,7 @@ public abstract class Clock {
      *
      * @param zone  the time-zone to use to convert the instant to date-time, not null
      * @return a clock that ticks in whole milliseconds using the specified zone, not null
+     * @since 9
      */
     public static Clock tickMillis(ZoneId zone) {
         return new TickClock(system(zone), NANOS_PER_MILLI);

jdk/src/java.base/share/classes/java/time/LocalDate.java

@@ -307,6 +307,7 @@ public final class LocalDate
      * @param zone  the time-zone, which may be an offset, not null
      * @return the local date, not null
      * @throws DateTimeException if the result exceeds the supported range
+     * @since 9
      */
     public static LocalDate ofInstant(Instant instant, ZoneId zone) {
         Objects.requireNonNull(instant, "instant");

jdk/src/java.base/share/classes/java/time/LocalTime.java

@@ -354,6 +354,7 @@ public final class LocalTime
      * @param instant  the instant to create the time from, not null
      * @param zone  the time-zone, which may be an offset, not null
      * @return the local time, not null
+     * @since 9
      */
      public static LocalTime ofInstant(Instant instant, ZoneId zone) {
          Objects.requireNonNull(instant, "instant");