hg: jdk9/dev/jdk: 8030864: Add an efficient getDateTimeMillis method to java.time

[nadeesh.tv at oracle.com]

Changeset: a738394080a3
Author:    ntv
Date:      2016-04-06 07:20 +0000
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/a738394080a3

8030864: Add an efficient getDateTimeMillis method to java.time
Summary: Added epochSecond method in Chronology and overided it in IsoChronology
Reviewed-by: rriggs, scolebourne

! src/java.base/share/classes/java/time/chrono/Chronology.java
! src/java.base/share/classes/java/time/chrono/IsoChronology.java
! test/java/time/tck/java/time/chrono/TCKChronology.java
! test/java/time/tck/java/time/chrono/TCKIsoChronology.java