hg: amber/amber: make JVM_GetPermittedSubtypes return an array of Strings

[vicente.romero at oracle.com]

Changeset: 6ef931c06a1a
Author:    vromero
Date:      2019-07-29 18:02 -0400
URL:       https://hg.openjdk.java.net/amber/amber/rev/6ef931c06a1a

make JVM_GetPermittedSubtypes return an array of Strings

! src/hotspot/share/classfile/classFileParser.cpp
! src/hotspot/share/prims/jvm.cpp
! src/java.base/share/classes/java/lang/Class.java
! src/java.base/share/native/libjava/Class.c
+ test/hotspot/jtreg/runtime/sealedTypes/abstractSealedTest.java
+ test/hotspot/jtreg/runtime/sealedTypes/getPermittedSubtypesTest.java
+ test/hotspot/jtreg/runtime/sealedTypes/noLoadSubtypes.jcod
+ test/hotspot/jtreg/runtime/sealedTypes/overrideSealedTest.java