hg: jdk/sandbox: 8198441: Replace native Runtime::runFinalization0 method with shared secrets

[chris.hegarty at oracle.com]

Changeset: 906025796009
Author:    mchung
Date:      2018-02-20 11:28 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/906025796009

8198441: Replace native Runtime::runFinalization0 method with shared secrets
Reviewed-by: martin

! make/mapfiles/libjava/mapfile-vers
! src/java.base/share/classes/java/lang/Runtime.java
! src/java.base/share/classes/java/lang/ref/Reference.java
! src/java.base/share/classes/jdk/internal/misc/JavaLangRefAccess.java
! src/java.base/share/native/libjava/Runtime.c