8044766: New jdk.net classes have @since 1.9 tags in 8u20

Reviewed-by: chegar

jdk/src/share/classes/jdk/net/ExtendedSocketOptions.java

@@ -32,7 +32,7 @@ import java.net.SocketOption;
  * {@link java.net.StandardSocketOptions}. These options may be platform
  * specific.
  *
- * @since 1.9
+ * @since 1.8
  */
 @jdk.Exported
 public final class ExtendedSocketOptions {

jdk/src/share/classes/jdk/net/NetworkPermission.java

@@ -58,7 +58,7 @@ import java.security.BasicPermission;
  *
  * @see jdk.net.ExtendedSocketOptions
  *
- * @since 1.9
+ * @since 1.8
  */
 
 @jdk.Exported

jdk/src/share/classes/jdk/net/SocketFlow.java

@@ -43,7 +43,7 @@ import java.lang.annotation.Native;
  * When a security manager is installed, a {@link NetworkPermission}
  * is required to set or get this option.
  *
- * @since 1.9
+ * @since 1.8
  */
 @jdk.Exported
 public class SocketFlow {
@@ -66,7 +66,7 @@ public class SocketFlow {
      * one of these statuses, which reflect the state of socket's
      * flow.
      *
-     * @since 1.9
+     * @since 1.8
      */
     @jdk.Exported
     public enum Status {

jdk/src/share/classes/jdk/net/package-info.java

@@ -27,7 +27,7 @@
  * Platform specific socket options for the {@code java.net} and {@code java.nio.channels}
  * socket classes.
  *
- * @since 1.9
+ * @since 1.8
  */
 
 @jdk.Exported