Update dex for camera

[hkparker]

Companion PR for fyne-io/fyne#5903

[andydotxyz]

I tried to test this but there is a conflict, when I attempted to rebuild I got this:

[hkparker-camera] ><> go run gendex/gendex.go                              
Compilation failed with an internal error.
java.lang.NullPointerException: Cannot invoke "String.length()" because "<parameter1>" is null
	at com.android.tools.r8.graph.h0.<init>(:5)
	at com.android.tools.r8.graph.Y.b(:2)
	at com.android.tools.r8.graph.x0$d.b(:8)
	at com.android.tools.r8.A.a.a.f.a(:721)
	at com.android.tools.r8.graph.x0.a(:38)
	at com.android.tools.r8.dex.a$a.a(:12)
	at java.base/java.util.concurrent.ForkJoinTask$AdaptedInterruptibleCallable.compute(ForkJoinTask.java:1689)
	at java.base/java.util.concurrent.ForkJoinTask$InterruptibleTask.exec(ForkJoinTask.java:1641)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:507)
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1460)
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:2036)
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:189)
2025/08/21 15:50:03 exit status 1
exit status 1

It could relate to android versions I suppose, but I don't think we have required an upgrade?