[pybind11,python3,openimageio] Fix python modules on Android #46539
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The android toolchain links with --no-undefined. So modules must be linked with Python libs.
CMake's FindPython is unaware of it. (The situation is similar to Windows DLLs, but Windows is handled by FindPython.)
pybind11 3.0.0 added a workaround, but this stumbles over effects from vcpkg's python wrapper.
The onnx ports don't have a pybind11 feature.