RFR: 8323210: Update the usage of cmsFLAGS_COPY_ALPHA

[Phil Race]

On Tue, 9 Jan 2024 07:21:26 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> Implementation of cmsFLAGS_COPY_ALPHA in littlecms 2.16 is changed to throw an exception:
>  - if the number of extra channels in src and dst are different.
>  - If dst does not have an alpha but src has
>  - If src does not have an alpha but dst has
> 
> Exception does not occurred if the number of extra channels are the same(even if both are zero)

Marked as reviewed by prr (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/17320#pullrequestreview-1811970243