[aarch64-port-dev ] hg: aarch64-port/jdk8u-shenandoah/hotspot: Shenandoah: fix build failures after JDK-8244737 backport

[shade at redhat.com]

Changeset: 4fd7bc699d62
Author:    shade
Date:      2020-05-21 18:25 +0200
URL:       https://hg.openjdk.java.net/aarch64-port/jdk8u-shenandoah/hotspot/rev/4fd7bc699d62

Shenandoah: fix build failures after JDK-8244737 backport
Reviewed-by: andrew

! make/excludeSrc.make
! make/windows/create_obj_files.sh
! make/windows/makefiles/vm.make