RFR: JDK-8348597 : Update HarfBuzz to 10.4.0

[Phil Race]

On Tue, 4 Mar 2025 23:52:49 GMT, Harshitha Onkar <honkar at openjdk.org> wrote:

> Harfbuzz upgraded to v10.4.0
> 
> File changes -
> 
> **Newly added files**
> 
> libharfbuzz/OT/Var/VARC/VARC.hh
> libharfbuzz/OT/Var/VARC/coord-setter.hh
> libharfbuzz/hb-decycler.hh
> libharfbuzz/hb-geometry.hh 
> libharfbuzz/hb-ot-var-varc-table.hh 
> libharfbuzz/hb-subset-instancer-iup.hh  
> libharfbuzz/hb-subset-serialize.h
> 
> 
> **Deleted**
> 
> libharfbuzz/OT/glyf/VarCompositeGlyph.hh
> libharfbuzz/OT/glyf/coord-setter.hh
> 
> 
> **Modified: 182 existing files modified**
> 
> To prevent build failures due to dangling pointer (on linux) it has been added to HARFBUZZ_DISABLED_WARNINGS_gcc in [ClientLibraries.gmk](https://github.com/openjdk/jdk/pull/23910/files#diff-cd8423c7b5d9fc65d6553ebfd4c3721218c74f9bdb6a1039cc4e6fee8267cd13)

I had to use webrev to review. github was too painfully slow.

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Marked as reviewed by prr (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/23910#pullrequestreview-2662424045