hg: jdk9/sandbox: Fixes after code review.

[magnus.ihse.bursie at oracle.com]

Changeset: 704fb008b806
Author:    ihse
Date:      2017-03-03 09:15 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/704fb008b806

Fixes after code review.

! make/FindTests.gmk
! make/Init.gmk
! make/InitSupport.gmk
! make/RunTests.gmk
! make/common/MakeBase.gmk