BpfLoader: use BpfLoader as the LOG_TAG am: e2f2b8228d

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/3114564

Change-Id: Icfbcdffc96b72d76a4cb646629ebd4bc82013eb4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>