Merge "Added DROP opcode support to ApfGenerator for immediate return." into main am: 1633b047c8 am: 78ea790f77

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/2862528

Change-Id: Iaf114947dc9c635f055cf20cbcaa6fea651047d8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>