RFR: 8356032: createAutoconfBundle.sh downloads to local directory

[Erik Joelsson]

On Thu, 1 May 2025 13:12:46 GMT, Ivan Bereziuk <duke at openjdk.org> wrote:

> Fixed a small issue in createAutoconfBundle.sh where we CD to `build/autoconf` folder before it's created.
> As result, we end up with `m4` and `autoconf` downloadable and unpacked folders in CWD.
> 
> By a chance, I did few other improvements:
> * added colored logs
> * and resolved `../../` in the path to ease log reading
> * changed URL `http://yum.oracle.com` as `https` is the only option today.

Marked as reviewed by erikj (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/24985#pullrequestreview-2810199836