Update libchdr to latest

[hrydgard]

Fixes #20460

[hrydgard]

On arm32 for android, I'm getting:

jni/../../ext/libchdr/deps/lzma-24.05/src/CpuArch.c:838: error: undefined reference to 'getauxval'

Looks like it's gonna need a patch?

This is probably because we're using a very old Android NDK. will upgrade soon, so might hold off on this until then.

[Pesa]

According to this, getauxval is available since API level 18 (Android 4.3). I humbly suggest increasing minSdk to something a little less ancient :)
Even first-party stuff like Google Play services require API 19+ since July 2021, and API 21+ since August 2023.

[hrydgard]

@Pesa I'm not increasing it for 1.19.1.

We've been running on really ancient phones for so long that it's almost become a point of pride, heh.

But, new requirements are coming and I will indeed have to bump soon. But not quite yet.

[Pesa]

Yeah that's totally understandable, especially for a .1 release.

[anr2me]

May be similar to this issue ARM-software/ComputeLibrary#458

It wasn't clear how it got solved, but the last discussion seems to be advised to change the NDK to r16b (from r17) 🤔 That mean downgrading the NDK.

Anyway, since Google have dropped 32-bit app support, we will eventually need to use a separated (older) SDK & NDK version for 32-bit app (or no longer support 32-bit at some point)

[hrydgard]

I got a fix into the library checking for NDK version. Should be good now.