RFR: 8336343: Add more known sysroot library locations for ALSA

[Magnus Ihse Bursie]

On Sat, 13 Jul 2024 16:48:20 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Following [JDK-8257913](https://bugs.openjdk.org/browse/JDK-8257913), it would be more convenient to search into more paths in sysroot for ALSA as well. Currently, this is the only thing that is missing for me to build from the crosstool-ng generated sysroot. Without these, we have to provide the additional `--with-alsa-lib` configuration param.
> 
> We do a similar thing for X11: https://github.com/openjdk/jdk/blob/6f325db49365d3d06add5d194d4696a1428675fa/make/autoconf/lib-x11.m4#L55-L79
> 
> Additional testing:
>  - [x] JDK mainline builds with the patch and crosstool-ng without problems now
>  - [x] GHA
>  - [x] A matrix of Server/Zero builds with GCC 10

I am really on vacation until next week, but I had a sneak peek on this and it looks good.

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Marked as reviewed by ihse (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/20173#pullrequestreview-2206144667