[automerger skipped] Add methods for updating ingressDiscardRule bpf map to BpfNetMaps am: b01647922d am: 1002ddce1e am: eb5a2aec65 -s ours

am skip reason: Merged-In I42bc0adc22c3018480029d624053f758d815e526 with SHA-1 77b49996d2 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/28712473

Change-Id: I97cfcfbde991d15feaa3b770b69baee768c22645
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>