hg: jdk9/sandbox: 8155689: Build failing for install on jdk9/dev when using -testset hotspot

[chris.hegarty at oracle.com]

Changeset: 1d683c899373
Author:    dholmes
Date:      2016-04-29 01:45 -0400
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/1d683c899373

8155689: Build failing for install on jdk9/dev when using -testset hotspot
Summary: add installer target that aliases the expected target
Reviewed-by: jmasa, tbell

! make/Main.gmk