hg: jdk/sandbox: 8199197: Set _NT_SYMBOL_PATH when running tests on windows

[chris.hegarty at oracle.com]

Changeset: af37d9997bd6
Author:    erikj
Date:      2018-03-07 22:30 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/af37d9997bd6

8199197: Set _NT_SYMBOL_PATH when running tests on windows
Reviewed-by: ihse, ctornqvi

! make/RunTests.gmk
! make/RunTestsPrebuilt.gmk
! make/conf/jib-profiles.js
! test/TestCommon.gmk