RFR: 8303482: Update LCMS to 2.15

[Sergey Bylokhov]

On Fri, 10 Mar 2023 03:38:35 GMT, Alisen Chung <achung at openjdk.org> wrote:

> Updated LCMS to 2.15.
> Ran clientlibs automated tests and manually checked J2Ddemo.

src/java.desktop/share/legal/lcms.md line 54:

> 52: ------------
> 53: Marti Maria 
> 54: 

Please fix all these "Whitespace error"

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PR: https://git.openjdk.org/jdk/pull/12967