hg: build-infra/jdk9: * Update copyright year.

[magnus.ihse.bursie at oracle.com]

Changeset: 4b8f863eff52
Author:    ihse
Date:      2016-02-11 01:11 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/4b8f863eff52

* Update copyright year.
* Document USE_MAPFILE_FOR_SYMBOLS.
* Don't reference libjvm.so in NativeCompilation.gmk.

! make/Main.gmk
! make/common/MakeBase.gmk
! make/common/NativeCompilation.gmk