Track usage of OpenJdk's FileDescriptor class.

Fix jniGetFdFromFileDescriptor and jniSetFileDescriptorOfFd.

(cherry picked from commit 1b23abdcbdcd44ba72cea21cb145fad9c43755e3)

Change-Id: If25f31f8742fae19083ba53a5b990ba5b2dc86cc
1 file changed