hg: jdk9/sandbox/hotspot: Update copyright year.

[magnus.ihse.bursie at oracle.com]

Changeset: aacb89afcfe5
Author:    ihse
Date:      2016-01-20 11:34 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/hotspot/rev/aacb89afcfe5

Update copyright year.

! make/bsd/makefiles/gcc.make
! make/bsd/makefiles/vm.make
! make/lib/Lib-jdk.hotspot.agent.gmk