hg: jdk9/sandbox: Merge from default.

[aleksey.shipilev at oracle.com]

Changeset: c6f3f1e609f5
Author:    shade
Date:      2016-07-14 00:46 +0300
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/c6f3f1e609f5

Merge from default.

- common/autoconf/hotspot-spec.gmk.in
- make/HotspotWrapper.gmk
! make/jprt.properties