git: openjdk/mobile: 8237750: Load libzip.so only if necessary

[duke]

Changeset: 0c0d485c
Author:    Yumin Qi <minqi at openjdk.org>
Date:      2020-05-05 15:40:18 +0000
URL:       https://git.openjdk.java.net/mobile/commit/0c0d485c

8237750: Load libzip.so only if necessary

Libzip.so is unconditionally loaded even without usage. Fix by on demand loading.

Reviewed-by: dlong, iklam, ccheung

! src/hotspot/share/classfile/classLoader.cpp
! src/hotspot/share/classfile/classLoader.hpp
! src/hotspot/share/classfile/classLoader.inline.hpp
! src/hotspot/share/runtime/mutexLocker.cpp
! src/hotspot/share/runtime/mutexLocker.hpp
! test/hotspot/jtreg/serviceability/sa/ClhsdbPmap.java