[OpenJDK 2D-Dev] RFR: 8247872: Upgrade HarfBuzz to the latest 2.7.2

[Phil Race]

On Mon, 2 Nov 2020 04:19:57 GMT, Phil Race <prr at openjdk.org> wrote:

> This upgrades JDK to import the current 2.7.2 version of harfbuzz - an OpenType text shaping library
> 
> https://bugs.openjdk.java.net/browse/JDK-8247872
> 
> This has passed building and headless and headful automated tests on all platforms.

Aside from the code change there is a small build change is to remove some obsolete defines

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PR: https://git.openjdk.java.net/jdk/pull/993