hg: jdk/submit: 8219244: NMT: Change ThreadSafepointState's allocation type from mtInternal to mtThread

[zgu at redhat.com]

Changeset: 74b616640b00
Author:    zgu
Date:      2019-02-20 08:31 -0500
URL:       http://hg.openjdk.java.net/jdk/submit/rev/74b616640b00

8219244: NMT: Change ThreadSafepointState's allocation type from mtInternal to mtThread
Reviewed-by: coleenp, minqi

! src/hotspot/share/runtime/safepoint.hpp