hg: jdk/jdk: 8214309: Enhance makefiles to allow generating JCov instrumented build

[alexandre.iline at oracle.com]

Changeset: 56ca125c973b
Author:    shurailine
Date:      2018-11-29 06:34 -0800
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/56ca125c973b

8214309: Enhance makefiles to allow generating JCov instrumented build
Reviewed-by: erikj

! make/Bundles.gmk
+ make/Coverage.gmk
! make/Main.gmk
! make/autoconf/jdk-options.m4
! make/autoconf/spec.gmk.in
! make/conf/jib-profiles.js