Use bundled zlib on MacOS

[gnu-andrew]

Patch on top of #812 to check bundled zlib on MacOS

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk8u-dev.git pull/814/head:pull/814
$ git checkout pull/814

Update a local copy of the PR:
$ git checkout pull/814
$ git pull https://git.openjdk.org/jdk8u-dev.git pull/814/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 814

View PR using the GUI difftool:
$ git pr show -t 814

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk8u-dev/pull/814.diff

[bridgekeeper]

👋 Welcome back andrew! A progress list of the required criteria for merging this PR into pr/812 will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk-notifier]

The parent pull request that this pull request depends on has now been integrated and the target branch of this pull request has been updated. This means that changes from the dependent pull request can start to show up as belonging to this pull request, which may be confusing for reviewers. To remedy this situation, simply merge the latest changes from the new target branch into this pull request by running commands similar to these in the local repository for your personal fork:

git checkout zlib-bundled-test
git fetch https://git.openjdk.org/jdk8u-dev.git master
git merge FETCH_HEAD
# if there are conflicts, follow the instructions given by git merge
git commit -m "Merge master"
git push