block.c: rename (DIS)ALLOW to BPF_(DIS)ALLOW am: 95ab8c7aee

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3226105

Change-Id: Id6177b0fca79f8a19194de9b8d43d12cf3619e79
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>