Add getHwBinderKernelReferences

Add a wrapper for the new BINDER_GET_NODE_DEBUG_INFO ioctl for use by
libmemunreachable.

Test: memunreachable_binder_test
Bug: 28275695
Change-Id: I66337691d4e00a81159a8ca4856c8f5c5cf493ee
Merged-In: I66337691d4e00a81159a8ca4856c8f5c5cf493ee
(cherry picked from commit 85966ba503e89311ad92c1047b6067020f347488)
5 files changed