hg: jdk/sandbox: 8229967: Enable thread local handshakes on zero

[chris.hegarty at oracle.com]

Changeset: c2bc7b07c67a
Author:    rehn
Date:      2019-08-22 12:46 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/c2bc7b07c67a

8229967: Enable thread local handshakes on zero
Reviewed-by: sgehwolf, shade

! src/hotspot/cpu/zero/globalDefinitions_zero.hpp
! src/hotspot/cpu/zero/globals_zero.hpp