hg: shenandoah/jdk: Re-enable Thread-local handshakes by default in Shenandoah

[roman at kennke.org]

Changeset: 462b5242fb24
Author:    rkennke
Date:      2018-06-25 17:53 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/462b5242fb24

Re-enable Thread-local handshakes by default in Shenandoah

! src/hotspot/share/gc/shenandoah/shenandoahArguments.cpp