Enable CUDA Array Interface tests on ROCm platform
This change enables CUDA Array Interface tests on ROCm GPUs:
1. jaxlib/py_array.cc: Add ROCm platform check alongside CUDA for
__cuda_array_interface__ property support.
2. jax/_src/numpy/array_constructors.py:
- Add ROCm plugin extension discovery with debug logging
3. tests/array_interoperability_test.py: Change the following tests to use
@jtu.run_on_devices("gpu") to run on both CUDA and ROCm:
- testCaiToJax
- testCudaArrayInterfaceWorks
- testCudaArrayInterfaceBfloat16Fails
- testCudaArrayInterfaceOnShardedArrayFails
4. tests/array_interoperability_test.py: Skip testCudaArrayInterfaceOnNonCudaFails
on ROCm platform by adding "rocm" to @jtu.skip_on_devices decorator.
