Set rpath for JNI library on Mac (#32247)
Summary:
Without this, dlopen won't look in the proper directory for dependencies
(like libtorch and fbjni).
Pull Request resolved: https://github.com/pytorch/pytorch/pull/32247
Test Plan:
Build libpytorch_jni.dylib on Mac, replaced the one from the libtorch
nightly, and was able to run the Java demo.
Differential Revision: D19501498
Pulled By: dreiss
fbshipit-source-id: 13ffdff9622aa610f905d039f951ee9a3fdc6b23
