hg: jdk9/sandbox/jdk: 8046294: Generate the 4-byte timestamp randomly

[chris.hegarty at oracle.com]

Changeset: 2253b5ac1726
Author:    xuelei
Date:      2016-05-23 10:51 +0000
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/2253b5ac1726

8046294: Generate the 4-byte timestamp randomly
Reviewed-by: jnimeh, weijun

! src/java.base/share/classes/sun/security/ssl/RandomCookie.java
! src/java.base/share/classes/sun/security/ssl/Utilities.java