hg: jdk/jdk: 8217761: Enhance run-test-prebuilt jib profile to support running tests with JCov

[alexandre.iline at oracle.com]

Changeset: 688ce88f89cd
Author:    shurailine
Date:      2019-01-28 03:51 -0800
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/688ce88f89cd

8217761: Enhance run-test-prebuilt jib profile to support running tests with JCov
Reviewed-by: erikj

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