hg: jdk/sandbox: 8192816: Let run-test save exit code

[chris.hegarty at oracle.com]

Changeset: be01bcb72309
Author:    ihse
Date:      2017-12-01 21:52 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/be01bcb72309

8192816: Let run-test save exit code
Reviewed-by: erikj, tbell

! make/RunTests.gmk