RFR: JDK-8292276 : Adds to CSS.java the missing color names.

[Prasanta Sadhukhan]

On Wed, 10 Aug 2022 20:00:29 GMT, ScientificWare <duke at openjdk.org> wrote:

> Adds to CSS.java the missing color names defined by :
> CSS Color Module Level 4
> W3C Candidate Recommendation Snapshot, 5 July 2022
> [7.1 Named Colors](https://www.w3.org/TR/css-color-4/#named-color)

First and foremost, you need to add JBS id 8292276 into the PR title. Also, please add a jtreg testcase which should fail before your fix and pass after.I guess JBS has a reproducer which can be made into a jtreg testcase, of which you can see several examples in jdk/test/javax/swing directory.

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PR: https://git.openjdk.org/jdk/pull/9825