[Rev 01] RFR: 8237889: Update libxml2 to version 2.9.10

Fri Feb 28 16:08:50 UTC 2020

On Fri, 21 Feb 2020 06:33:02 GMT, Arun Joseph <ajoseph at openjdk.org> wrote:

>> We currently use libxml2 version 2.9.9. We should update to the latest stable release 2.9.10.
>
> The pull request has been updated with 1 additional commit.

Build + sanity tests are ok on win/mac/linux

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Marked as reviewed by jvos (Reviewer).

PR: https://git.openjdk.java.net/jfx/pull/120