[foreign-jextract] Integrated: updating samples. changed constants class to use package constructor

[Athijegannathan Sundararajan]

On Tue, 25 Aug 2020 12:20:30 GMT, Athijegannathan Sundararajan <sundar at openjdk.org> wrote:

> fixed to use package private constructors for constants classes. piggybacking to
> include latest samples.

This pull request has now been integrated.

Changeset: 06675b1e
Author:    Athijegannathan Sundararajan <sundar at openjdk.org>
URL:       https://git.openjdk.java.net/panama-foreign/commit/06675b1e
Stats:     245 lines in 3 files changed: 1 ins; 244 del; 0 mod

updating samples. changed constants class to use package constructor

Reviewed-by: jvernee

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PR: https://git.openjdk.java.net/panama-foreign/pull/292