hg: jdk9/dev/jdk: 8152083: Optimize TimeUnit conversions

[martinrb at google.com]

Changeset: 93230508687d
Author:    dl
Date:      2016-03-28 08:53 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/93230508687d

8152083: Optimize TimeUnit conversions
Reviewed-by: martin, shade, forax

! src/java.base/share/classes/java/util/concurrent/TimeUnit.java
+ test/java/util/concurrent/tck/TimeUnit8Test.java
! test/java/util/concurrent/tck/TimeUnitTest.java