git: openjdk/jdk: 8266822: Rename MetaspaceShared::is_old_class to be more explicit about what "old" means

[Calvin Cheung]

Changeset: 57c6ba6e
Author:    Calvin Cheung <ccheung at openjdk.org>
Date:      2021-05-11 23:53:06 +0000
URL:       https://git.openjdk.java.net/jdk/commit/57c6ba6e6b1c1bf30dcfffee873790dfc4fa511a

8266822: Rename MetaspaceShared::is_old_class to be more explicit about what "old" means

Reviewed-by: iklam, minqi, coleenp

! src/hotspot/share/cds/metaspaceShared.cpp
! src/hotspot/share/cds/metaspaceShared.hpp
! src/hotspot/share/classfile/systemDictionaryShared.cpp
! src/hotspot/share/interpreter/rewriter.cpp
! src/hotspot/share/oops/instanceKlass.cpp
! src/hotspot/share/oops/instanceKlass.hpp
! src/hotspot/share/oops/klassVtable.cpp