remove use of libbpf_android am: c901764d08 am: 7c464a2eaf am: 9aa427b04e

Original change: https://android-review.googlesource.com/c/platform/system/memory/libmeminfo/+/1978220

Change-Id: I89bd1186ef0ee73a88aefe35bfb9e9f5d47423b4