hg: jdk9/sandbox/jdk: 8157318: ThreadedSeedGenerator uses System.currentTimeMillis and stops generating when time is set back

[chris.hegarty at oracle.com]

Changeset: 504c0fc6f4bf
Author:    weijun
Date:      2016-06-21 11:09 +0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/504c0fc6f4bf

8157318: ThreadedSeedGenerator uses System.currentTimeMillis and stops generating when time is set back
Reviewed-by: xuelei, wetmore

! src/java.base/share/classes/sun/security/provider/SeedGenerator.java