NetBpfLoad: combine into one file, part two am: 49140b98e1

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3212378

Change-Id: I4e067e3806e93bbf7a68771c0ea432dd8632ca67
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>