libbinder_rs: PartialEq for ParcelFileDescriptor am: bbfe6b1232 am: 9040251850 am: a43a2fab98 am: becba19da3

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1924237

Change-Id: I03eb90aac6ed81596c33215fcfdc7c0a03060b50